Home / 56,653,616.10-84,980,424.15-18,319,005.30

Finding the Fourth Proportional to 56,653,616.10, 84,980,424.15 and 18,319,005.30

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Solution

The fourth proportional to 56,653,616.10, 84,980,424.15 and 18,319,005.30 is: 27,478,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653,616.10 : 84,980,424.15 = 18,319,005.30 : x
  2. Step 2: Convert to fraction form
    56,653,616.10/84,980,424.15 = 18,319,005.30/x
  3. Step 3: Cross multiply
    56,653,616.10x = 84,980,424.15 × 18,319,005.30
  4. Step 4: Simplify right side
    56,653,616.10x = 1,556,756,840,400,098.25
  5. Step 5: Solve for x
    x = 1,556,756,840,400,098.25/56,653,616.10
  6. Step 6: Final answer
    x = 27,478,507.95

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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.