Home / 10,183,543.40-15,275,315.10-9,049,802.60

Finding the Fourth Proportional to 10,183,543.40, 15,275,315.10 and 9,049,802.60

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Solution

The fourth proportional to 10,183,543.40, 15,275,315.10 and 9,049,802.60 is: 13,574,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183,543.40 : 15,275,315.10 = 9,049,802.60 : x
  2. Step 2: Convert to fraction form
    10,183,543.40/15,275,315.10 = 9,049,802.60/x
  3. Step 3: Cross multiply
    10,183,543.40x = 15,275,315.10 × 9,049,802.60
  4. Step 4: Simplify right side
    10,183,543.40x = 138,238,586,307,799.25
  5. Step 5: Solve for x
    x = 138,238,586,307,799.25/10,183,543.40
  6. Step 6: Final answer
    x = 13,574,703.90

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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.