Home / 11,187,000.77-15,429,312.81-7,268,017.86

Finding the Fourth Proportional to 11,187,000.77, 15,429,312.81 and 7,268,017.86

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Solution

The fourth proportional to 11,187,000.77, 15,429,312.81 and 7,268,017.86 is: 10,024,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187,000.77 : 15,429,312.81 = 7,268,017.86 : x
  2. Step 2: Convert to fraction form
    11,187,000.77/15,429,312.81 = 7,268,017.86/x
  3. Step 3: Cross multiply
    11,187,000.77x = 15,429,312.81 × 7,268,017.86
  4. Step 4: Simplify right side
    11,187,000.77x = 112,140,521,070,606.80
  5. Step 5: Solve for x
    x = 112,140,521,070,606.80/11,187,000.77
  6. Step 6: Final answer
    x = 10,024,181.05

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1.5x scale

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.