Home / 9,878,616.35-14,817,841.33-7,721,455.94

Finding the Fourth Proportional to 9,878,616.35, 14,817,841.33 and 7,721,455.94

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Solution

The fourth proportional to 9,878,616.35, 14,817,841.33 and 7,721,455.94 is: 11,582,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,616.35 : 14,817,841.33 = 7,721,455.94 : x
  2. Step 2: Convert to fraction form
    9,878,616.35/14,817,841.33 = 7,721,455.94/x
  3. Step 3: Cross multiply
    9,878,616.35x = 14,817,841.33 × 7,721,455.94
  4. Step 4: Simplify right side
    9,878,616.35x = 114,415,308,955,506
  5. Step 5: Solve for x
    x = 114,415,308,955,506/9,878,616.35
  6. Step 6: Final answer
    x = 11,582,118.88

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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.