Home / 20,854,547.70-31,281,821.55-14,477,255.70

Finding the Fourth Proportional to 20,854,547.70, 31,281,821.55 and 14,477,255.70

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Solution

The fourth proportional to 20,854,547.70, 31,281,821.55 and 14,477,255.70 is: 21,715,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,547.70 : 31,281,821.55 = 14,477,255.70 : x
  2. Step 2: Convert to fraction form
    20,854,547.70/31,281,821.55 = 14,477,255.70/x
  3. Step 3: Cross multiply
    20,854,547.70x = 31,281,821.55 × 14,477,255.70
  4. Step 4: Simplify right side
    20,854,547.70x = 452,874,929,341,120.31
  5. Step 5: Solve for x
    x = 452,874,929,341,120.31/20,854,547.70
  6. Step 6: Final answer
    x = 21,715,883.55

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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.