Home / 9,357,428.60-14,036,142.90-8,259,117.20

Finding the Fourth Proportional to 9,357,428.60, 14,036,142.90 and 8,259,117.20

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Solution

The fourth proportional to 9,357,428.60, 14,036,142.90 and 8,259,117.20 is: 12,388,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357,428.60 : 14,036,142.90 = 8,259,117.20 : x
  2. Step 2: Convert to fraction form
    9,357,428.60/14,036,142.90 = 8,259,117.20/x
  3. Step 3: Cross multiply
    9,357,428.60x = 14,036,142.90 × 8,259,117.20
  4. Step 4: Simplify right side
    9,357,428.60x = 115,926,149,247,047.89
  5. Step 5: Solve for x
    x = 115,926,149,247,047.89/9,357,428.60
  6. Step 6: Final answer
    x = 12,388,675.80

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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.