Home / 36,012,802.20-49,702,397.95-20,539,339.80

Finding the Fourth Proportional to 36,012,802.20, 49,702,397.95 and 20,539,339.80

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Solution

The fourth proportional to 36,012,802.20, 49,702,397.95 and 20,539,339.80 is: 28,346,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012,802.20 : 49,702,397.95 = 20,539,339.80 : x
  2. Step 2: Convert to fraction form
    36,012,802.20/49,702,397.95 = 20,539,339.80/x
  3. Step 3: Cross multiply
    36,012,802.20x = 49,702,397.95 × 20,539,339.80
  4. Step 4: Simplify right side
    36,012,802.20x = 1,020,854,440,369,873.50
  5. Step 5: Solve for x
    x = 1,020,854,440,369,873.50/36,012,802.20
  6. Step 6: Final answer
    x = 28,346,987.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.