Home / 9,792,133.80-14,688,200.70-9,120,287.40

Finding the Fourth Proportional to 9,792,133.80, 14,688,200.70 and 9,120,287.40

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Solution

The fourth proportional to 9,792,133.80, 14,688,200.70 and 9,120,287.40 is: 13,680,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792,133.80 : 14,688,200.70 = 9,120,287.40 : x
  2. Step 2: Convert to fraction form
    9,792,133.80/14,688,200.70 = 9,120,287.40/x
  3. Step 3: Cross multiply
    9,792,133.80x = 14,688,200.70 × 9,120,287.40
  4. Step 4: Simplify right side
    9,792,133.80x = 133,960,611,772,881.17
  5. Step 5: Solve for x
    x = 133,960,611,772,881.17/9,792,133.80
  6. Step 6: Final answer
    x = 13,680,431.10

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Similar ratio
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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.