Home / 28,267,030.60-42,400,545.90-18,693,219.40

Finding the Fourth Proportional to 28,267,030.60, 42,400,545.90 and 18,693,219.40

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Solution

The fourth proportional to 28,267,030.60, 42,400,545.90 and 18,693,219.40 is: 28,039,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,030.60 : 42,400,545.90 = 18,693,219.40 : x
  2. Step 2: Convert to fraction form
    28,267,030.60/42,400,545.90 = 18,693,219.40/x
  3. Step 3: Cross multiply
    28,267,030.60x = 42,400,545.90 × 18,693,219.40
  4. Step 4: Simplify right side
    28,267,030.60x = 792,602,707,188,470.38
  5. Step 5: Solve for x
    x = 792,602,707,188,470.38/28,267,030.60
  6. Step 6: Final answer
    x = 28,039,829.10

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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.