Home / 18,932,757.60-28,417,798.80-9,358,946.40

Finding the Fourth Proportional to 18,932,757.60, 28,417,798.80 and 9,358,946.40

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Solution

The fourth proportional to 18,932,757.60, 28,417,798.80 and 9,358,946.40 is: 14,047,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932,757.60 : 28,417,798.80 = 9,358,946.40 : x
  2. Step 2: Convert to fraction form
    18,932,757.60/28,417,798.80 = 9,358,946.40/x
  3. Step 3: Cross multiply
    18,932,757.60x = 28,417,798.80 × 9,358,946.40
  4. Step 4: Simplify right side
    18,932,757.60x = 265,960,655,775,184.34
  5. Step 5: Solve for x
    x = 265,960,655,775,184.34/18,932,757.60
  6. Step 6: Final answer
    x = 14,047,644.90

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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.