Home / 42,878,496.16-64,321,943.28-14,112,894.88

Finding the Fourth Proportional to 42,878,496.16, 64,321,943.28 and 14,112,894.88

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Solution

The fourth proportional to 42,878,496.16, 64,321,943.28 and 14,112,894.88 is: 21,170,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878,496.16 : 64,321,943.28 = 14,112,894.88 : x
  2. Step 2: Convert to fraction form
    42,878,496.16/64,321,943.28 = 14,112,894.88/x
  3. Step 3: Cross multiply
    42,878,496.16x = 64,321,943.28 × 14,112,894.88
  4. Step 4: Simplify right side
    42,878,496.16x = 907,768,823,987,962.50
  5. Step 5: Solve for x
    x = 907,768,823,987,962.50/42,878,496.16
  6. Step 6: Final answer
    x = 21,170,724.38

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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.