Home / 28,019,446.44-42,030,428.70-8,587,248.90

Finding the Fourth Proportional to 28,019,446.44, 42,030,428.70 and 8,587,248.90

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Solution

The fourth proportional to 28,019,446.44, 42,030,428.70 and 8,587,248.90 is: 12,881,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019,446.44 : 42,030,428.70 = 8,587,248.90 : x
  2. Step 2: Convert to fraction form
    28,019,446.44/42,030,428.70 = 8,587,248.90/x
  3. Step 3: Cross multiply
    28,019,446.44x = 42,030,428.70 × 8,587,248.90
  4. Step 4: Simplify right side
    28,019,446.44x = 360,925,752,620,603.50
  5. Step 5: Solve for x
    x = 360,925,752,620,603.50/28,019,446.44
  6. Step 6: Final answer
    x = 12,881,259.21

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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.