Home / 40,426,412.10-60,642,242.55-21,294,536.10

Finding the Fourth Proportional to 40,426,412.10, 60,642,242.55 and 21,294,536.10

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Solution

The fourth proportional to 40,426,412.10, 60,642,242.55 and 21,294,536.10 is: 31,943,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426,412.10 : 60,642,242.55 = 21,294,536.10 : x
  2. Step 2: Convert to fraction form
    40,426,412.10/60,642,242.55 = 21,294,536.10/x
  3. Step 3: Cross multiply
    40,426,412.10x = 60,642,242.55 × 21,294,536.10
  4. Step 4: Simplify right side
    40,426,412.10x = 1,291,348,423,165,931
  5. Step 5: Solve for x
    x = 1,291,348,423,165,931/40,426,412.10
  6. Step 6: Final answer
    x = 31,943,186.55

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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.