Home / 13,449,262-18,547,034.52-9,048,901.36

Finding the Fourth Proportional to 13,449,262, 18,547,034.52 and 9,048,901.36

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Solution

The fourth proportional to 13,449,262, 18,547,034.52 and 9,048,901.36 is: 12,478,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,262 : 18,547,034.52 = 9,048,901.36 : x
  2. Step 2: Convert to fraction form
    13,449,262/18,547,034.52 = 9,048,901.36/x
  3. Step 3: Cross multiply
    13,449,262x = 18,547,034.52 × 9,048,901.36
  4. Step 4: Simplify right side
    13,449,262x = 167,830,285,891,994.94
  5. Step 5: Solve for x
    x = 167,830,285,891,994.94/13,449,262
  6. Step 6: Final answer
    x = 12,478,772.88

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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.