Home / 21,421,948.97-32,132,853.36-7,775,077.16

Finding the Fourth Proportional to 21,421,948.97, 32,132,853.36 and 7,775,077.16

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Solution

The fourth proportional to 21,421,948.97, 32,132,853.36 and 7,775,077.16 is: 11,662,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421,948.97 : 32,132,853.36 = 7,775,077.16 : x
  2. Step 2: Convert to fraction form
    21,421,948.97/32,132,853.36 = 7,775,077.16/x
  3. Step 3: Cross multiply
    21,421,948.97x = 32,132,853.36 × 7,775,077.16
  4. Step 4: Simplify right side
    21,421,948.97x = 249,835,414,084,301
  5. Step 5: Solve for x
    x = 249,835,414,084,301/21,421,948.97
  6. Step 6: Final answer
    x = 11,662,590.29

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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.