Home / 21,547,656.80-32,339,110.80-21,379,695.20

Finding the Fourth Proportional to 21,547,656.80, 32,339,110.80 and 21,379,695.20

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Solution

The fourth proportional to 21,547,656.80, 32,339,110.80 and 21,379,695.20 is: 32,087,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547,656.80 : 32,339,110.80 = 21,379,695.20 : x
  2. Step 2: Convert to fraction form
    21,547,656.80/32,339,110.80 = 21,379,695.20/x
  3. Step 3: Cross multiply
    21,547,656.80x = 32,339,110.80 × 21,379,695.20
  4. Step 4: Simplify right side
    21,547,656.80x = 691,400,331,943,028.12
  5. Step 5: Solve for x
    x = 691,400,331,943,028.12/21,547,656.80
  6. Step 6: Final answer
    x = 32,087,031.01

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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.