Home / 40,502,341.17-55,893,378.24-21,917,479.50

Finding the Fourth Proportional to 40,502,341.17, 55,893,378.24 and 21,917,479.50

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Solution

The fourth proportional to 40,502,341.17, 55,893,378.24 and 21,917,479.50 is: 30,246,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502,341.17 : 55,893,378.24 = 21,917,479.50 : x
  2. Step 2: Convert to fraction form
    40,502,341.17/55,893,378.24 = 21,917,479.50/x
  3. Step 3: Cross multiply
    40,502,341.17x = 55,893,378.24 × 21,917,479.50
  4. Step 4: Simplify right side
    40,502,341.17x = 1,225,041,971,760,946.25
  5. Step 5: Solve for x
    x = 1,225,041,971,760,946.25/40,502,341.17
  6. Step 6: Final answer
    x = 30,246,201.49

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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.