Home / 10,111,511.20-15,167,266.80-4,442,807.20

Finding the Fourth Proportional to 10,111,511.20, 15,167,266.80 and 4,442,807.20

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Solution

The fourth proportional to 10,111,511.20, 15,167,266.80 and 4,442,807.20 is: 6,664,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111,511.20 : 15,167,266.80 = 4,442,807.20 : x
  2. Step 2: Convert to fraction form
    10,111,511.20/15,167,266.80 = 4,442,807.20/x
  3. Step 3: Cross multiply
    10,111,511.20x = 15,167,266.80 × 4,442,807.20
  4. Step 4: Simplify right side
    10,111,511.20x = 67,385,242,143,360.97
  5. Step 5: Solve for x
    x = 67,385,242,143,360.97/10,111,511.20
  6. Step 6: Final answer
    x = 6,664,210.80

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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.