Home / 9,785,143.68-13,502,275.38-5,433,638.28

Finding the Fourth Proportional to 9,785,143.68, 13,502,275.38 and 5,433,638.28

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Solution

The fourth proportional to 9,785,143.68, 13,502,275.38 and 5,433,638.28 is: 7,497,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785,143.68 : 13,502,275.38 = 5,433,638.28 : x
  2. Step 2: Convert to fraction form
    9,785,143.68/13,502,275.38 = 5,433,638.28/x
  3. Step 3: Cross multiply
    9,785,143.68x = 13,502,275.38 × 5,433,638.28
  4. Step 4: Simplify right side
    9,785,143.68x = 73,366,480,371,869.55
  5. Step 5: Solve for x
    x = 73,366,480,371,869.55/9,785,143.68
  6. Step 6: Final answer
    x = 7,497,741.76

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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.