Home / 8,678,509.10-13,017,763.65-5,655,200.30

Finding the Fourth Proportional to 8,678,509.10, 13,017,763.65 and 5,655,200.30

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Solution

The fourth proportional to 8,678,509.10, 13,017,763.65 and 5,655,200.30 is: 8,482,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,509.10 : 13,017,763.65 = 5,655,200.30 : x
  2. Step 2: Convert to fraction form
    8,678,509.10/13,017,763.65 = 5,655,200.30/x
  3. Step 3: Cross multiply
    8,678,509.10x = 13,017,763.65 × 5,655,200.30
  4. Step 4: Simplify right side
    8,678,509.10x = 73,618,060,898,809.09
  5. Step 5: Solve for x
    x = 73,618,060,898,809.09/8,678,509.10
  6. Step 6: Final answer
    x = 8,482,800.45

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Similar ratio
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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.