Home / 10,372,543.20-14,318,032.56-7,801,648.16

Finding the Fourth Proportional to 10,372,543.20, 14,318,032.56 and 7,801,648.16

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Solution

The fourth proportional to 10,372,543.20, 14,318,032.56 and 7,801,648.16 is: 10,769,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,543.20 : 14,318,032.56 = 7,801,648.16 : x
  2. Step 2: Convert to fraction form
    10,372,543.20/14,318,032.56 = 7,801,648.16/x
  3. Step 3: Cross multiply
    10,372,543.20x = 14,318,032.56 × 7,801,648.16
  4. Step 4: Simplify right side
    10,372,543.20x = 111,704,252,376,544.09
  5. Step 5: Solve for x
    x = 111,704,252,376,544.09/10,372,543.20
  6. Step 6: Final answer
    x = 10,769,225.08

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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.