Home / 10,403,075.20-15,604,321.20-4,723,290.40

Finding the Fourth Proportional to 10,403,075.20, 15,604,321.20 and 4,723,290.40

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Solution

The fourth proportional to 10,403,075.20, 15,604,321.20 and 4,723,290.40 is: 7,084,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,075.20 : 15,604,321.20 = 4,723,290.40 : x
  2. Step 2: Convert to fraction form
    10,403,075.20/15,604,321.20 = 4,723,290.40/x
  3. Step 3: Cross multiply
    10,403,075.20x = 15,604,321.20 × 4,723,290.40
  4. Step 4: Simplify right side
    10,403,075.20x = 73,703,740,522,476.48
  5. Step 5: Solve for x
    x = 73,703,740,522,476.48/10,403,075.20
  6. Step 6: Final answer
    x = 7,084,803.21

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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.