Home / 12,458,050.40-18,687,075.60-11,702,223.20

Finding the Fourth Proportional to 12,458,050.40, 18,687,075.60 and 11,702,223.20

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Solution

The fourth proportional to 12,458,050.40, 18,687,075.60 and 11,702,223.20 is: 17,553,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,050.40 : 18,687,075.60 = 11,702,223.20 : x
  2. Step 2: Convert to fraction form
    12,458,050.40/18,687,075.60 = 11,702,223.20/x
  3. Step 3: Cross multiply
    12,458,050.40x = 18,687,075.60 × 11,702,223.20
  4. Step 4: Simplify right side
    12,458,050.40x = 218,680,329,626,473.94
  5. Step 5: Solve for x
    x = 218,680,329,626,473.94/12,458,050.40
  6. Step 6: Final answer
    x = 17,553,334.80

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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.