Home / 9,711,751.12-13,402,219.10-5,360,840.16

Finding the Fourth Proportional to 9,711,751.12, 13,402,219.10 and 5,360,840.16

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Solution

The fourth proportional to 9,711,751.12, 13,402,219.10 and 5,360,840.16 is: 7,397,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711,751.12 : 13,402,219.10 = 5,360,840.16 : x
  2. Step 2: Convert to fraction form
    9,711,751.12/13,402,219.10 = 5,360,840.16/x
  3. Step 3: Cross multiply
    9,711,751.12x = 13,402,219.10 × 5,360,840.16
  4. Step 4: Simplify right side
    9,711,751.12x = 71,847,154,384,399.06
  5. Step 5: Solve for x
    x = 71,847,154,384,399.06/9,711,751.12
  6. Step 6: Final answer
    x = 7,397,960.83

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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.