Home / 10,516,516.47-15,774,774.71-2,538,340.47

Finding the Fourth Proportional to 10,516,516.47, 15,774,774.71 and 2,538,340.47

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Solution

The fourth proportional to 10,516,516.47, 15,774,774.71 and 2,538,340.47 is: 3,807,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,516.47 : 15,774,774.71 = 2,538,340.47 : x
  2. Step 2: Convert to fraction form
    10,516,516.47/15,774,774.71 = 2,538,340.47/x
  3. Step 3: Cross multiply
    10,516,516.47x = 15,774,774.71 × 2,538,340.47
  4. Step 4: Simplify right side
    10,516,516.47x = 40,041,749,038,833.81
  5. Step 5: Solve for x
    x = 40,041,749,038,833.81/10,516,516.47
  6. Step 6: Final answer
    x = 3,807,510.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.