Home / 10,077,478.74-15,124,953.15-5,288,551.38

Finding the Fourth Proportional to 10,077,478.74, 15,124,953.15 and 5,288,551.38

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Solution

The fourth proportional to 10,077,478.74, 15,124,953.15 and 5,288,551.38 is: 7,937,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,478.74 : 15,124,953.15 = 5,288,551.38 : x
  2. Step 2: Convert to fraction form
    10,077,478.74/15,124,953.15 = 5,288,551.38/x
  3. Step 3: Cross multiply
    10,077,478.74x = 15,124,953.15 × 5,288,551.38
  4. Step 4: Simplify right side
    10,077,478.74x = 79,989,091,853,867.84
  5. Step 5: Solve for x
    x = 79,989,091,853,867.84/10,077,478.74
  6. Step 6: Final answer
    x = 7,937,411.12

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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.