Home / 30,681,387.36-45,962,731.86-25,698,254.40

Finding the Fourth Proportional to 30,681,387.36, 45,962,731.86 and 25,698,254.40

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Solution

The fourth proportional to 30,681,387.36, 45,962,731.86 and 25,698,254.40 is: 38,497,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681,387.36 : 45,962,731.86 = 25,698,254.40 : x
  2. Step 2: Convert to fraction form
    30,681,387.36/45,962,731.86 = 25,698,254.40/x
  3. Step 3: Cross multiply
    30,681,387.36x = 45,962,731.86 × 25,698,254.40
  4. Step 4: Simplify right side
    30,681,387.36x = 1,181,161,976,257,265
  5. Step 5: Solve for x
    x = 1,181,161,976,257,265/30,681,387.36
  6. Step 6: Final answer
    x = 38,497,671.65

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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.