Home / 18,643,895.04-25,729,061.76-10,495,430.40

Finding the Fourth Proportional to 18,643,895.04, 25,729,061.76 and 10,495,430.40

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Solution

The fourth proportional to 18,643,895.04, 25,729,061.76 and 10,495,430.40 is: 14,483,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643,895.04 : 25,729,061.76 = 10,495,430.40 : x
  2. Step 2: Convert to fraction form
    18,643,895.04/25,729,061.76 = 10,495,430.40/x
  3. Step 3: Cross multiply
    18,643,895.04x = 25,729,061.76 × 10,495,430.40
  4. Step 4: Simplify right side
    18,643,895.04x = 270,037,576,959,381.53
  5. Step 5: Solve for x
    x = 270,037,576,959,381.53/18,643,895.04
  6. Step 6: Final answer
    x = 14,483,967.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.