Home / 10,502,705.40-15,754,058.10-8,928,065.40

Finding the Fourth Proportional to 10,502,705.40, 15,754,058.10 and 8,928,065.40

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Solution

The fourth proportional to 10,502,705.40, 15,754,058.10 and 8,928,065.40 is: 13,392,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,705.40 : 15,754,058.10 = 8,928,065.40 : x
  2. Step 2: Convert to fraction form
    10,502,705.40/15,754,058.10 = 8,928,065.40/x
  3. Step 3: Cross multiply
    10,502,705.40x = 15,754,058.10 × 8,928,065.40
  4. Step 4: Simplify right side
    10,502,705.40x = 140,653,261,032,199.75
  5. Step 5: Solve for x
    x = 140,653,261,032,199.75/10,502,705.40
  6. Step 6: Final answer
    x = 13,392,098.10

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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.