Home / 22,406,449.66-30,920,175.36-12,860,303.13

Finding the Fourth Proportional to 22,406,449.66, 30,920,175.36 and 12,860,303.13

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Solution

The fourth proportional to 22,406,449.66, 30,920,175.36 and 12,860,303.13 is: 17,746,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,406,449.66 : 30,920,175.36 = 12,860,303.13 : x
  2. Step 2: Convert to fraction form
    22,406,449.66/30,920,175.36 = 12,860,303.13/x
  3. Step 3: Cross multiply
    22,406,449.66x = 30,920,175.36 × 12,860,303.13
  4. Step 4: Simplify right side
    22,406,449.66x = 397,642,827,962,356.88
  5. Step 5: Solve for x
    x = 397,642,827,962,356.88/22,406,449.66
  6. Step 6: Final answer
    x = 17,746,802.11

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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.