Home / 15,695,436.30-21,657,182.67-8,819,897.10

Finding the Fourth Proportional to 15,695,436.30, 21,657,182.67 and 8,819,897.10

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Solution

The fourth proportional to 15,695,436.30, 21,657,182.67 and 8,819,897.10 is: 12,170,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695,436.30 : 21,657,182.67 = 8,819,897.10 : x
  2. Step 2: Convert to fraction form
    15,695,436.30/21,657,182.67 = 8,819,897.10/x
  3. Step 3: Cross multiply
    15,695,436.30x = 21,657,182.67 × 8,819,897.10
  4. Step 4: Simplify right side
    15,695,436.30x = 191,014,122,625,303.25
  5. Step 5: Solve for x
    x = 191,014,122,625,303.25/15,695,436.30
  6. Step 6: Final answer
    x = 12,170,042.23

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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.