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Finding the Fourth Proportional to 35,878,774.95, 53,839,049.95 and 15,127,911.81

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Solution

The fourth proportional to 35,878,774.95, 53,839,049.95 and 15,127,911.81 is: 22,700,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878,774.95 : 53,839,049.95 = 15,127,911.81 : x
  2. Step 2: Convert to fraction form
    35,878,774.95/53,839,049.95 = 15,127,911.81/x
  3. Step 3: Cross multiply
    35,878,774.95x = 53,839,049.95 × 15,127,911.81
  4. Step 4: Simplify right side
    35,878,774.95x = 814,472,399,577,785
  5. Step 5: Solve for x
    x = 814,472,399,577,785/35,878,774.95
  6. Step 6: Final answer
    x = 22,700,674.72

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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.