Home / 19,779,468.64-29,679,320.26-9,416,398.30

Finding the Fourth Proportional to 19,779,468.64, 29,679,320.26 and 9,416,398.30

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Solution

The fourth proportional to 19,779,468.64, 29,679,320.26 and 9,416,398.30 is: 14,129,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779,468.64 : 29,679,320.26 = 9,416,398.30 : x
  2. Step 2: Convert to fraction form
    19,779,468.64/29,679,320.26 = 9,416,398.30/x
  3. Step 3: Cross multiply
    19,779,468.64x = 29,679,320.26 × 9,416,398.30
  4. Step 4: Simplify right side
    19,779,468.64x = 279,472,300,778,991.75
  5. Step 5: Solve for x
    x = 279,472,300,778,991.75/19,779,468.64
  6. Step 6: Final answer
    x = 14,129,413.98

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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.