Home / 9,335,999.70-14,003,999.55-8,140,257.45

Finding the Fourth Proportional to 9,335,999.70, 14,003,999.55 and 8,140,257.45

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Solution

The fourth proportional to 9,335,999.70, 14,003,999.55 and 8,140,257.45 is: 12,210,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335,999.70 : 14,003,999.55 = 8,140,257.45 : x
  2. Step 2: Convert to fraction form
    9,335,999.70/14,003,999.55 = 8,140,257.45/x
  3. Step 3: Cross multiply
    9,335,999.70x = 14,003,999.55 × 8,140,257.45
  4. Step 4: Simplify right side
    9,335,999.70x = 113,996,161,666,684.16
  5. Step 5: Solve for x
    x = 113,996,161,666,684.16/9,335,999.70
  6. Step 6: Final answer
    x = 12,210,386.18

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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.