Home / 27,693,428-38,216,836.68-15,303,175.52

Finding the Fourth Proportional to 27,693,428, 38,216,836.68 and 15,303,175.52

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Solution

The fourth proportional to 27,693,428, 38,216,836.68 and 15,303,175.52 is: 21,118,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693,428 : 38,216,836.68 = 15,303,175.52 : x
  2. Step 2: Convert to fraction form
    27,693,428/38,216,836.68 = 15,303,175.52/x
  3. Step 3: Cross multiply
    27,693,428x = 38,216,836.68 × 15,303,175.52
  4. Step 4: Simplify right side
    27,693,428x = 584,838,959,533,214
  5. Step 5: Solve for x
    x = 584,838,959,533,214/27,693,428
  6. Step 6: Final answer
    x = 21,118,330.30

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Double scale
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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.