Home / 10,636,758.20-15,931,517.70-9,219,582.20

Finding the Fourth Proportional to 10,636,758.20, 15,931,517.70 and 9,219,582.20

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Solution

The fourth proportional to 10,636,758.20, 15,931,517.70 and 9,219,582.20 is: 13,808,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636,758.20 : 15,931,517.70 = 9,219,582.20 : x
  2. Step 2: Convert to fraction form
    10,636,758.20/15,931,517.70 = 9,219,582.20/x
  3. Step 3: Cross multiply
    10,636,758.20x = 15,931,517.70 × 9,219,582.20
  4. Step 4: Simplify right side
    10,636,758.20x = 146,881,937,005,904.91
  5. Step 5: Solve for x
    x = 146,881,937,005,904.91/10,636,758.20
  6. Step 6: Final answer
    x = 13,808,900.63

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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.