Home / 7,124,198.76-9,832,657.50-5,402,417.40

Finding the Fourth Proportional to 7,124,198.76, 9,832,657.50 and 5,402,417.40

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Solution

The fourth proportional to 7,124,198.76, 9,832,657.50 and 5,402,417.40 is: 7,456,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,198.76 : 9,832,657.50 = 5,402,417.40 : x
  2. Step 2: Convert to fraction form
    7,124,198.76/9,832,657.50 = 5,402,417.40/x
  3. Step 3: Cross multiply
    7,124,198.76x = 9,832,657.50 × 5,402,417.40
  4. Step 4: Simplify right side
    7,124,198.76x = 53,120,119,966,240.50
  5. Step 5: Solve for x
    x = 53,120,119,966,240.50/7,124,198.76
  6. Step 6: Final answer
    x = 7,456,293.93

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.