Home / 21,343,811.67-31,997,776.80-17,290,247.13

Finding the Fourth Proportional to 21,343,811.67, 31,997,776.80 and 17,290,247.13

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Solution

The fourth proportional to 21,343,811.67, 31,997,776.80 and 17,290,247.13 is: 25,920,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,811.67 : 31,997,776.80 = 17,290,247.13 : x
  2. Step 2: Convert to fraction form
    21,343,811.67/31,997,776.80 = 17,290,247.13/x
  3. Step 3: Cross multiply
    21,343,811.67x = 31,997,776.80 × 17,290,247.13
  4. Step 4: Simplify right side
    21,343,811.67x = 553,249,468,482,580.56
  5. Step 5: Solve for x
    x = 553,249,468,482,580.56/21,343,811.67
  6. Step 6: Final answer
    x = 25,920,837.24

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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.