Home / 18,901,712.61-28,358,452.53-6,771,280.14

Finding the Fourth Proportional to 18,901,712.61, 28,358,452.53 and 6,771,280.14

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Solution

The fourth proportional to 18,901,712.61, 28,358,452.53 and 6,771,280.14 is: 10,159,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,712.61 : 28,358,452.53 = 6,771,280.14 : x
  2. Step 2: Convert to fraction form
    18,901,712.61/28,358,452.53 = 6,771,280.14/x
  3. Step 3: Cross multiply
    18,901,712.61x = 28,358,452.53 × 6,771,280.14
  4. Step 4: Simplify right side
    18,901,712.61x = 192,023,026,417,521.75
  5. Step 5: Solve for x
    x = 192,023,026,417,521.75/18,901,712.61
  6. Step 6: Final answer
    x = 10,159,027.93

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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.