Home / 28,048,869.60-42,073,304.40-26,915,128.80

Finding the Fourth Proportional to 28,048,869.60, 42,073,304.40 and 26,915,128.80

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Solution

The fourth proportional to 28,048,869.60, 42,073,304.40 and 26,915,128.80 is: 40,372,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048,869.60 : 42,073,304.40 = 26,915,128.80 : x
  2. Step 2: Convert to fraction form
    28,048,869.60/42,073,304.40 = 26,915,128.80/x
  3. Step 3: Cross multiply
    28,048,869.60x = 42,073,304.40 × 26,915,128.80
  4. Step 4: Simplify right side
    28,048,869.60x = 1,132,408,406,967,606.75
  5. Step 5: Solve for x
    x = 1,132,408,406,967,606.75/28,048,869.60
  6. Step 6: Final answer
    x = 40,372,693.20

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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.