Home / 28,431,030.30-42,646,545.45-9,263,724.90

Finding the Fourth Proportional to 28,431,030.30, 42,646,545.45 and 9,263,724.90

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Solution

The fourth proportional to 28,431,030.30, 42,646,545.45 and 9,263,724.90 is: 13,895,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,030.30 : 42,646,545.45 = 9,263,724.90 : x
  2. Step 2: Convert to fraction form
    28,431,030.30/42,646,545.45 = 9,263,724.90/x
  3. Step 3: Cross multiply
    28,431,030.30x = 42,646,545.45 × 9,263,724.90
  4. Step 4: Simplify right side
    28,431,030.30x = 395,065,864,984,146.75
  5. Step 5: Solve for x
    x = 395,065,864,984,146.75/28,431,030.30
  6. Step 6: Final answer
    x = 13,895,587.35

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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.