Home / 20,853,411.60-31,280,117.40-6,477,932.55

Finding the Fourth Proportional to 20,853,411.60, 31,280,117.40 and 6,477,932.55

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Solution

The fourth proportional to 20,853,411.60, 31,280,117.40 and 6,477,932.55 is: 9,716,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,411.60 : 31,280,117.40 = 6,477,932.55 : x
  2. Step 2: Convert to fraction form
    20,853,411.60/31,280,117.40 = 6,477,932.55/x
  3. Step 3: Cross multiply
    20,853,411.60x = 31,280,117.40 × 6,477,932.55
  4. Step 4: Simplify right side
    20,853,411.60x = 202,630,490,673,281.34
  5. Step 5: Solve for x
    x = 202,630,490,673,281.34/20,853,411.60
  6. Step 6: Final answer
    x = 9,716,898.83

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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.