Home / 27,702,204.29-38,228,374.59-15,142,700.69

Finding the Fourth Proportional to 27,702,204.29, 38,228,374.59 and 15,142,700.69

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Solution

The fourth proportional to 27,702,204.29, 38,228,374.59 and 15,142,700.69 is: 20,896,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,204.29 : 38,228,374.59 = 15,142,700.69 : x
  2. Step 2: Convert to fraction form
    27,702,204.29/38,228,374.59 = 15,142,700.69/x
  3. Step 3: Cross multiply
    27,702,204.29x = 38,228,374.59 × 15,142,700.69
  4. Step 4: Simplify right side
    27,702,204.29x = 578,880,834,262,193.75
  5. Step 5: Solve for x
    x = 578,880,834,262,193.75/27,702,204.29
  6. Step 6: Final answer
    x = 20,896,562.17

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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.