Home / 13,792,219.20-20,688,328.80-12,304,184.40

Finding the Fourth Proportional to 13,792,219.20, 20,688,328.80 and 12,304,184.40

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Solution

The fourth proportional to 13,792,219.20, 20,688,328.80 and 12,304,184.40 is: 18,456,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792,219.20 : 20,688,328.80 = 12,304,184.40 : x
  2. Step 2: Convert to fraction form
    13,792,219.20/20,688,328.80 = 12,304,184.40/x
  3. Step 3: Cross multiply
    13,792,219.20x = 20,688,328.80 × 12,304,184.40
  4. Step 4: Simplify right side
    13,792,219.20x = 254,553,012,483,030.75
  5. Step 5: Solve for x
    x = 254,553,012,483,030.75/13,792,219.20
  6. Step 6: Final answer
    x = 18,456,276.60

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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.