Home / 28,512,117.90-42,752,430.45-9,333,002.70

Finding the Fourth Proportional to 28,512,117.90, 42,752,430.45 and 9,333,002.70

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Solution

The fourth proportional to 28,512,117.90, 42,752,430.45 and 9,333,002.70 is: 13,994,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,117.90 : 42,752,430.45 = 9,333,002.70 : x
  2. Step 2: Convert to fraction form
    28,512,117.90/42,752,430.45 = 9,333,002.70/x
  3. Step 3: Cross multiply
    28,512,117.90x = 42,752,430.45 × 9,333,002.70
  4. Step 4: Simplify right side
    28,512,117.90x = 399,008,548,821,412.19
  5. Step 5: Solve for x
    x = 399,008,548,821,412.19/28,512,117.90
  6. Step 6: Final answer
    x = 13,994,349.71

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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.