Home / 7,888,541.80-11,832,812.70-7,038,236.20

Finding the Fourth Proportional to 7,888,541.80, 11,832,812.70 and 7,038,236.20

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Solution

The fourth proportional to 7,888,541.80, 11,832,812.70 and 7,038,236.20 is: 10,557,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,541.80 : 11,832,812.70 = 7,038,236.20 : x
  2. Step 2: Convert to fraction form
    7,888,541.80/11,832,812.70 = 7,038,236.20/x
  3. Step 3: Cross multiply
    7,888,541.80x = 11,832,812.70 × 7,038,236.20
  4. Step 4: Simplify right side
    7,888,541.80x = 83,282,130,692,959.73
  5. Step 5: Solve for x
    x = 83,282,130,692,959.73/7,888,541.80
  6. Step 6: Final answer
    x = 10,557,354.30

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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.