Home / 8,910,011.20-13,341,397.20-7,020,443.20

Finding the Fourth Proportional to 8,910,011.20, 13,341,397.20 and 7,020,443.20

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Solution

The fourth proportional to 8,910,011.20, 13,341,397.20 and 7,020,443.20 is: 10,512,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,011.20 : 13,341,397.20 = 7,020,443.20 : x
  2. Step 2: Convert to fraction form
    8,910,011.20/13,341,397.20 = 7,020,443.20/x
  3. Step 3: Cross multiply
    8,910,011.20x = 13,341,397.20 × 7,020,443.20
  4. Step 4: Simplify right side
    8,910,011.20x = 93,662,521,251,239.03
  5. Step 5: Solve for x
    x = 93,662,521,251,239.03/8,910,011.20
  6. Step 6: Final answer
    x = 10,512,054.27

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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.