Home / 12,671,210.65-17,486,615-7,165,409.30

Finding the Fourth Proportional to 12,671,210.65, 17,486,615 and 7,165,409.30

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Solution

The fourth proportional to 12,671,210.65, 17,486,615 and 7,165,409.30 is: 9,888,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,210.65 : 17,486,615 = 7,165,409.30 : x
  2. Step 2: Convert to fraction form
    12,671,210.65/17,486,615 = 7,165,409.30/x
  3. Step 3: Cross multiply
    12,671,210.65x = 17,486,615 × 7,165,409.30
  4. Step 4: Simplify right side
    12,671,210.65x = 125,298,753,746,519.50
  5. Step 5: Solve for x
    x = 125,298,753,746,519.50/12,671,210.65
  6. Step 6: Final answer
    x = 9,888,459.53

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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.