Home / 21,638,631.29-32,429,685.42-16,502,254.02

Finding the Fourth Proportional to 21,638,631.29, 32,429,685.42 and 16,502,254.02

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Solution

The fourth proportional to 21,638,631.29, 32,429,685.42 and 16,502,254.02 is: 24,731,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,631.29 : 32,429,685.42 = 16,502,254.02 : x
  2. Step 2: Convert to fraction form
    21,638,631.29/32,429,685.42 = 16,502,254.02/x
  3. Step 3: Cross multiply
    21,638,631.29x = 32,429,685.42 × 16,502,254.02
  4. Step 4: Simplify right side
    21,638,631.29x = 535,162,906,507,019.06
  5. Step 5: Solve for x
    x = 535,162,906,507,019.06/21,638,631.29
  6. Step 6: Final answer
    x = 24,731,827.97

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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.