Home / 23,498,666.78-32,428,421.43-13,045,389.98

Finding the Fourth Proportional to 23,498,666.78, 32,428,421.43 and 13,045,389.98

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Solution

The fourth proportional to 23,498,666.78, 32,428,421.43 and 13,045,389.98 is: 18,002,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,498,666.78 : 32,428,421.43 = 13,045,389.98 : x
  2. Step 2: Convert to fraction form
    23,498,666.78/32,428,421.43 = 13,045,389.98/x
  3. Step 3: Cross multiply
    23,498,666.78x = 32,428,421.43 × 13,045,389.98
  4. Step 4: Simplify right side
    23,498,666.78x = 423,041,403,990,139.31
  5. Step 5: Solve for x
    x = 423,041,403,990,139.31/23,498,666.78
  6. Step 6: Final answer
    x = 18,002,783.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.