Home / 14,001,875.20-21,002,812.80-10,642,643.20

Finding the Fourth Proportional to 14,001,875.20, 21,002,812.80 and 10,642,643.20

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Solution

The fourth proportional to 14,001,875.20, 21,002,812.80 and 10,642,643.20 is: 15,963,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,875.20 : 21,002,812.80 = 10,642,643.20 : x
  2. Step 2: Convert to fraction form
    14,001,875.20/21,002,812.80 = 10,642,643.20/x
  3. Step 3: Cross multiply
    14,001,875.20x = 21,002,812.80 × 10,642,643.20
  4. Step 4: Simplify right side
    14,001,875.20x = 223,525,442,826,792.94
  5. Step 5: Solve for x
    x = 223,525,442,826,792.94/14,001,875.20
  6. Step 6: Final answer
    x = 15,963,964.80

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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.