Home / 10,368,075.55-15,552,113.33-7,813,400.35

Finding the Fourth Proportional to 10,368,075.55, 15,552,113.33 and 7,813,400.35

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Solution

The fourth proportional to 10,368,075.55, 15,552,113.33 and 7,813,400.35 is: 11,720,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,075.55 : 15,552,113.33 = 7,813,400.35 : x
  2. Step 2: Convert to fraction form
    10,368,075.55/15,552,113.33 = 7,813,400.35/x
  3. Step 3: Cross multiply
    10,368,075.55x = 15,552,113.33 × 7,813,400.35
  4. Step 4: Simplify right side
    10,368,075.55x = 121,514,887,735,861.66
  5. Step 5: Solve for x
    x = 121,514,887,735,861.66/10,368,075.55
  6. Step 6: Final answer
    x = 11,720,100.53

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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.