Home / 37,980,971.04-52,413,669.12-20,577,748.80

Finding the Fourth Proportional to 37,980,971.04, 52,413,669.12 and 20,577,748.80

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Solution

The fourth proportional to 37,980,971.04, 52,413,669.12 and 20,577,748.80 is: 28,397,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980,971.04 : 52,413,669.12 = 20,577,748.80 : x
  2. Step 2: Convert to fraction form
    37,980,971.04/52,413,669.12 = 20,577,748.80/x
  3. Step 3: Cross multiply
    37,980,971.04x = 52,413,669.12 × 20,577,748.80
  4. Step 4: Simplify right side
    37,980,971.04x = 1,078,555,316,837,677
  5. Step 5: Solve for x
    x = 1,078,555,316,837,677/37,980,971.04
  6. Step 6: Final answer
    x = 28,397,254.92

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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.