Home / 20,293,898.40-28,006,723.80-12,038,848.20

Finding the Fourth Proportional to 20,293,898.40, 28,006,723.80 and 12,038,848.20

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Solution

The fourth proportional to 20,293,898.40, 28,006,723.80 and 12,038,848.20 is: 16,614,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293,898.40 : 28,006,723.80 = 12,038,848.20 : x
  2. Step 2: Convert to fraction form
    20,293,898.40/28,006,723.80 = 12,038,848.20/x
  3. Step 3: Cross multiply
    20,293,898.40x = 28,006,723.80 × 12,038,848.20
  4. Step 4: Simplify right side
    20,293,898.40x = 337,168,696,407,527.12
  5. Step 5: Solve for x
    x = 337,168,696,407,527.12/20,293,898.40
  6. Step 6: Final answer
    x = 16,614,289.17

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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.