Home / 10,230,016.70-15,353,319.45-9,898,240.70

Finding the Fourth Proportional to 10,230,016.70, 15,353,319.45 and 9,898,240.70

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Solution

The fourth proportional to 10,230,016.70, 15,353,319.45 and 9,898,240.70 is: 14,855,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230,016.70 : 15,353,319.45 = 9,898,240.70 : x
  2. Step 2: Convert to fraction form
    10,230,016.70/15,353,319.45 = 9,898,240.70/x
  3. Step 3: Cross multiply
    10,230,016.70x = 15,353,319.45 × 9,898,240.70
  4. Step 4: Simplify right side
    10,230,016.70x = 151,970,851,460,091.59
  5. Step 5: Solve for x
    x = 151,970,851,460,091.59/10,230,016.70
  6. Step 6: Final answer
    x = 14,855,386.45

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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.