Home / 28,348,475.67-42,528,915.06-9,181,170.27

Finding the Fourth Proportional to 28,348,475.67, 42,528,915.06 and 9,181,170.27

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Solution

The fourth proportional to 28,348,475.67, 42,528,915.06 and 9,181,170.27 is: 13,773,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,475.67 : 42,528,915.06 = 9,181,170.27 : x
  2. Step 2: Convert to fraction form
    28,348,475.67/42,528,915.06 = 9,181,170.27/x
  3. Step 3: Cross multiply
    28,348,475.67x = 42,528,915.06 × 9,181,170.27
  4. Step 4: Simplify right side
    28,348,475.67x = 390,465,210,564,227.25
  5. Step 5: Solve for x
    x = 390,465,210,564,227.25/28,348,475.67
  6. Step 6: Final answer
    x = 13,773,763.89

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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.