Home / 21,528,045.20-32,291,290.20-8,748,189.20

Finding the Fourth Proportional to 21,528,045.20, 32,291,290.20 and 8,748,189.20

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Solution

The fourth proportional to 21,528,045.20, 32,291,290.20 and 8,748,189.20 is: 13,121,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528,045.20 : 32,291,290.20 = 8,748,189.20 : x
  2. Step 2: Convert to fraction form
    21,528,045.20/32,291,290.20 = 8,748,189.20/x
  3. Step 3: Cross multiply
    21,528,045.20x = 32,291,290.20 × 8,748,189.20
  4. Step 4: Simplify right side
    21,528,045.20x = 282,490,316,181,705.81
  5. Step 5: Solve for x
    x = 282,490,316,181,705.81/21,528,045.20
  6. Step 6: Final answer
    x = 13,121,967.81

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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.