Home / 9,579,981-13,222,594.80-6,317,385.24

Finding the Fourth Proportional to 9,579,981, 13,222,594.80 and 6,317,385.24

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Solution

The fourth proportional to 9,579,981, 13,222,594.80 and 6,317,385.24 is: 8,719,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579,981 : 13,222,594.80 = 6,317,385.24 : x
  2. Step 2: Convert to fraction form
    9,579,981/13,222,594.80 = 6,317,385.24/x
  3. Step 3: Cross multiply
    9,579,981x = 13,222,594.80 × 6,317,385.24
  4. Step 4: Simplify right side
    9,579,981x = 83,532,225,224,020.77
  5. Step 5: Solve for x
    x = 83,532,225,224,020.77/9,579,981
  6. Step 6: Final answer
    x = 8,719,456.25

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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.