Home / 19,717,085.80-29,525,862.30-12,948,855.40

Finding the Fourth Proportional to 19,717,085.80, 29,525,862.30 and 12,948,855.40

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Solution

The fourth proportional to 19,717,085.80, 29,525,862.30 and 12,948,855.40 is: 19,390,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717,085.80 : 29,525,862.30 = 12,948,855.40 : x
  2. Step 2: Convert to fraction form
    19,717,085.80/29,525,862.30 = 12,948,855.40/x
  3. Step 3: Cross multiply
    19,717,085.80x = 29,525,862.30 × 12,948,855.40
  4. Step 4: Simplify right side
    19,717,085.80x = 382,326,121,483,011.44
  5. Step 5: Solve for x
    x = 382,326,121,483,011.44/19,717,085.80
  6. Step 6: Final answer
    x = 19,390,599.88

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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.