Home / 15,234,451.60-21,023,568.48-8,358,985.30

Finding the Fourth Proportional to 15,234,451.60, 21,023,568.48 and 8,358,985.30

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Solution

The fourth proportional to 15,234,451.60, 21,023,568.48 and 8,358,985.30 is: 11,535,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,451.60 : 21,023,568.48 = 8,358,985.30 : x
  2. Step 2: Convert to fraction form
    15,234,451.60/21,023,568.48 = 8,358,985.30/x
  3. Step 3: Cross multiply
    15,234,451.60x = 21,023,568.48 × 8,358,985.30
  4. Step 4: Simplify right side
    15,234,451.60x = 175,735,699,877,863.34
  5. Step 5: Solve for x
    x = 175,735,699,877,863.34/15,234,451.60
  6. Step 6: Final answer
    x = 11,535,413.58

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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.