Home / 18,466,328.40-25,484,851.89-10,206,213.24

Finding the Fourth Proportional to 18,466,328.40, 25,484,851.89 and 10,206,213.24

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Solution

The fourth proportional to 18,466,328.40, 25,484,851.89 and 10,206,213.24 is: 14,085,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466,328.40 : 25,484,851.89 = 10,206,213.24 : x
  2. Step 2: Convert to fraction form
    18,466,328.40/25,484,851.89 = 10,206,213.24/x
  3. Step 3: Cross multiply
    18,466,328.40x = 25,484,851.89 × 10,206,213.24
  4. Step 4: Simplify right side
    18,466,328.40x = 260,103,832,779,157.03
  5. Step 5: Solve for x
    x = 260,103,832,779,157.03/18,466,328.40
  6. Step 6: Final answer
    x = 14,085,303.11

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1.5x scale

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.