Home / 18,306,384.80-25,261,140.65-10,862,763.98

Finding the Fourth Proportional to 18,306,384.80, 25,261,140.65 and 10,862,763.98

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Solution

The fourth proportional to 18,306,384.80, 25,261,140.65 and 10,862,763.98 is: 14,989,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,384.80 : 25,261,140.65 = 10,862,763.98 : x
  2. Step 2: Convert to fraction form
    18,306,384.80/25,261,140.65 = 10,862,763.98/x
  3. Step 3: Cross multiply
    18,306,384.80x = 25,261,140.65 × 10,862,763.98
  4. Step 4: Simplify right side
    18,306,384.80x = 274,405,808,565,914.25
  5. Step 5: Solve for x
    x = 274,405,808,565,914.25/18,306,384.80
  6. Step 6: Final answer
    x = 14,989,623.11

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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.