Home / 17,778,820.80-26,669,397.60-4,999,742.40

Finding the Fourth Proportional to 17,778,820.80, 26,669,397.60 and 4,999,742.40

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Solution

The fourth proportional to 17,778,820.80, 26,669,397.60 and 4,999,742.40 is: 7,499,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,820.80 : 26,669,397.60 = 4,999,742.40 : x
  2. Step 2: Convert to fraction form
    17,778,820.80/26,669,397.60 = 4,999,742.40/x
  3. Step 3: Cross multiply
    17,778,820.80x = 26,669,397.60 × 4,999,742.40
  4. Step 4: Simplify right side
    17,778,820.80x = 133,340,117,963,178.25
  5. Step 5: Solve for x
    x = 133,340,117,963,178.25/17,778,820.80
  6. Step 6: Final answer
    x = 7,499,941.61

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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.