Home / 7,221,717.36-9,960,158.93-6,348,685.40

Finding the Fourth Proportional to 7,221,717.36, 9,960,158.93 and 6,348,685.40

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Solution

The fourth proportional to 7,221,717.36, 9,960,158.93 and 6,348,685.40 is: 8,756,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,717.36 : 9,960,158.93 = 6,348,685.40 : x
  2. Step 2: Convert to fraction form
    7,221,717.36/9,960,158.93 = 6,348,685.40/x
  3. Step 3: Cross multiply
    7,221,717.36x = 9,960,158.93 × 6,348,685.40
  4. Step 4: Simplify right side
    7,221,717.36x = 63,233,915,499,026.40
  5. Step 5: Solve for x
    x = 63,233,915,499,026.40/7,221,717.36
  6. Step 6: Final answer
    x = 8,756,077.31

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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.