Home / 6,989,308.16-9,648,221.28-4,698,797.36

Finding the Fourth Proportional to 6,989,308.16, 9,648,221.28 and 4,698,797.36

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Solution

The fourth proportional to 6,989,308.16, 9,648,221.28 and 4,698,797.36 is: 6,486,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,308.16 : 9,648,221.28 = 4,698,797.36 : x
  2. Step 2: Convert to fraction form
    6,989,308.16/9,648,221.28 = 4,698,797.36/x
  3. Step 3: Cross multiply
    6,989,308.16x = 9,648,221.28 × 4,698,797.36
  4. Step 4: Simplify right side
    6,989,308.16x = 45,335,036,679,159.82
  5. Step 5: Solve for x
    x = 45,335,036,679,159.82/6,989,308.16
  6. Step 6: Final answer
    x = 6,486,341.09

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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.