Home / 28,082,814.40-42,124,221.60-23,547,851.20

Finding the Fourth Proportional to 28,082,814.40, 42,124,221.60 and 23,547,851.20

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Solution

The fourth proportional to 28,082,814.40, 42,124,221.60 and 23,547,851.20 is: 35,321,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,814.40 : 42,124,221.60 = 23,547,851.20 : x
  2. Step 2: Convert to fraction form
    28,082,814.40/42,124,221.60 = 23,547,851.20/x
  3. Step 3: Cross multiply
    28,082,814.40x = 42,124,221.60 × 23,547,851.20
  4. Step 4: Simplify right side
    28,082,814.40x = 991,934,902,152,625.88
  5. Step 5: Solve for x
    x = 991,934,902,152,625.88/28,082,814.40
  6. Step 6: Final answer
    x = 35,321,776.80

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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.