Home / 10,550,409.90-15,783,624.45-9,146,064.30

Finding the Fourth Proportional to 10,550,409.90, 15,783,624.45 and 9,146,064.30

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Solution

The fourth proportional to 10,550,409.90, 15,783,624.45 and 9,146,064.30 is: 13,682,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550,409.90 : 15,783,624.45 = 9,146,064.30 : x
  2. Step 2: Convert to fraction form
    10,550,409.90/15,783,624.45 = 9,146,064.30/x
  3. Step 3: Cross multiply
    10,550,409.90x = 15,783,624.45 × 9,146,064.30
  4. Step 4: Simplify right side
    10,550,409.90x = 144,358,044,106,752.12
  5. Step 5: Solve for x
    x = 144,358,044,106,752.12/10,550,409.90
  6. Step 6: Final answer
    x = 13,682,695.31

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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.