Home / 52,215,266.08-78,314,211.95-15,815,002.10

Finding the Fourth Proportional to 52,215,266.08, 78,314,211.95 and 15,815,002.10

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Solution

The fourth proportional to 52,215,266.08, 78,314,211.95 and 15,815,002.10 is: 23,719,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215,266.08 : 78,314,211.95 = 15,815,002.10 : x
  2. Step 2: Convert to fraction form
    52,215,266.08/78,314,211.95 = 15,815,002.10/x
  3. Step 3: Cross multiply
    52,215,266.08x = 78,314,211.95 × 15,815,002.10
  4. Step 4: Simplify right side
    52,215,266.08x = 1,238,539,426,449,095
  5. Step 5: Solve for x
    x = 1,238,539,426,449,095/52,215,266.08
  6. Step 6: Final answer
    x = 23,719,871.98

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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.