Home / 42,645,762.41-63,968,594.07-13,891,851.86

Finding the Fourth Proportional to 42,645,762.41, 63,968,594.07 and 13,891,851.86

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Solution

The fourth proportional to 42,645,762.41, 63,968,594.07 and 13,891,851.86 is: 20,837,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645,762.41 : 63,968,594.07 = 13,891,851.86 : x
  2. Step 2: Convert to fraction form
    42,645,762.41/63,968,594.07 = 13,891,851.86/x
  3. Step 3: Cross multiply
    42,645,762.41x = 63,968,594.07 × 13,891,851.86
  4. Step 4: Simplify right side
    42,645,762.41x = 888,642,232,512,914.38
  5. Step 5: Solve for x
    x = 888,642,232,512,914.38/42,645,762.41
  6. Step 6: Final answer
    x = 20,837,761.65

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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.