Home / 21,791,037.10-30,069,405.84-13,417,077.10

Finding the Fourth Proportional to 21,791,037.10, 30,069,405.84 and 13,417,077.10

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Solution

The fourth proportional to 21,791,037.10, 30,069,405.84 and 13,417,077.10 is: 18,514,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,037.10 : 30,069,405.84 = 13,417,077.10 : x
  2. Step 2: Convert to fraction form
    21,791,037.10/30,069,405.84 = 13,417,077.10/x
  3. Step 3: Cross multiply
    21,791,037.10x = 30,069,405.84 × 13,417,077.10
  4. Step 4: Simplify right side
    21,791,037.10x = 403,443,536,506,470.25
  5. Step 5: Solve for x
    x = 403,443,536,506,470.25/21,791,037.10
  6. Step 6: Final answer
    x = 18,514,196.21

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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.