Home / 28,403,008.40-42,604,512.60-23,868,045.20

Finding the Fourth Proportional to 28,403,008.40, 42,604,512.60 and 23,868,045.20

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Solution

The fourth proportional to 28,403,008.40, 42,604,512.60 and 23,868,045.20 is: 35,802,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,008.40 : 42,604,512.60 = 23,868,045.20 : x
  2. Step 2: Convert to fraction form
    28,403,008.40/42,604,512.60 = 23,868,045.20/x
  3. Step 3: Cross multiply
    28,403,008.40x = 42,604,512.60 × 23,868,045.20
  4. Step 4: Simplify right side
    28,403,008.40x = 1,016,886,432,460,769.50
  5. Step 5: Solve for x
    x = 1,016,886,432,460,769.50/28,403,008.40
  6. Step 6: Final answer
    x = 35,802,067.80

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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.