Home / 9,711,642.40-13,402,064.40-5,360,727.60

Finding the Fourth Proportional to 9,711,642.40, 13,402,064.40 and 5,360,727.60

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Solution

The fourth proportional to 9,711,642.40, 13,402,064.40 and 5,360,727.60 is: 7,397,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711,642.40 : 13,402,064.40 = 5,360,727.60 : x
  2. Step 2: Convert to fraction form
    9,711,642.40/13,402,064.40 = 5,360,727.60/x
  3. Step 3: Cross multiply
    9,711,642.40x = 13,402,064.40 × 5,360,727.60
  4. Step 4: Simplify right side
    9,711,642.40x = 71,844,816,526,057.44
  5. Step 5: Solve for x
    x = 71,844,816,526,057.44/9,711,642.40
  6. Step 6: Final answer
    x = 7,397,802.92

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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.