Home / 10,339,973.40-15,509,960.10-5,805,010.20

Finding the Fourth Proportional to 10,339,973.40, 15,509,960.10 and 5,805,010.20

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Solution

The fourth proportional to 10,339,973.40, 15,509,960.10 and 5,805,010.20 is: 8,707,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339,973.40 : 15,509,960.10 = 5,805,010.20 : x
  2. Step 2: Convert to fraction form
    10,339,973.40/15,509,960.10 = 5,805,010.20/x
  3. Step 3: Cross multiply
    10,339,973.40x = 15,509,960.10 × 5,805,010.20
  4. Step 4: Simplify right side
    10,339,973.40x = 90,035,476,582,093.02
  5. Step 5: Solve for x
    x = 90,035,476,582,093.02/10,339,973.40
  6. Step 6: Final answer
    x = 8,707,515.30

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1.5x scale

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.