Home / 21,684,389.06-32,516,120.96-12,588,776.35

Finding the Fourth Proportional to 21,684,389.06, 32,516,120.96 and 12,588,776.35

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Solution

The fourth proportional to 21,684,389.06, 32,516,120.96 and 12,588,776.35 is: 18,877,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,389.06 : 32,516,120.96 = 12,588,776.35 : x
  2. Step 2: Convert to fraction form
    21,684,389.06/32,516,120.96 = 12,588,776.35/x
  3. Step 3: Cross multiply
    21,684,389.06x = 32,516,120.96 × 12,588,776.35
  4. Step 4: Simplify right side
    21,684,389.06x = 409,338,174,390,753.12
  5. Step 5: Solve for x
    x = 409,338,174,390,753.12/21,684,389.06
  6. Step 6: Final answer
    x = 18,877,090.48

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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.