Home / 14,525,487.20-21,803,977.20-9,140,218.40

Finding the Fourth Proportional to 14,525,487.20, 21,803,977.20 and 9,140,218.40

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Solution

The fourth proportional to 14,525,487.20, 21,803,977.20 and 9,140,218.40 is: 13,720,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525,487.20 : 21,803,977.20 = 9,140,218.40 : x
  2. Step 2: Convert to fraction form
    14,525,487.20/21,803,977.20 = 9,140,218.40/x
  3. Step 3: Cross multiply
    14,525,487.20x = 21,803,977.20 × 9,140,218.40
  4. Step 4: Simplify right side
    14,525,487.20x = 199,293,113,596,620.47
  5. Step 5: Solve for x
    x = 199,293,113,596,620.47/14,525,487.20
  6. Step 6: Final answer
    x = 13,720,236.08

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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.