Home / 15,116,065.60-22,674,098.40-8,290,001.20

Finding the Fourth Proportional to 15,116,065.60, 22,674,098.40 and 8,290,001.20

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Solution

The fourth proportional to 15,116,065.60, 22,674,098.40 and 8,290,001.20 is: 12,435,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,065.60 : 22,674,098.40 = 8,290,001.20 : x
  2. Step 2: Convert to fraction form
    15,116,065.60/22,674,098.40 = 8,290,001.20/x
  3. Step 3: Cross multiply
    15,116,065.60x = 22,674,098.40 × 8,290,001.20
  4. Step 4: Simplify right side
    15,116,065.60x = 187,968,302,944,918.06
  5. Step 5: Solve for x
    x = 187,968,302,944,918.06/15,116,065.60
  6. Step 6: Final answer
    x = 12,435,001.80

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1.5x scale

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.