Home / 42,808,489.32-64,222,541.46-18,551,486.28

Finding the Fourth Proportional to 42,808,489.32, 64,222,541.46 and 18,551,486.28

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Solution

The fourth proportional to 42,808,489.32, 64,222,541.46 and 18,551,486.28 is: 27,831,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,808,489.32 : 64,222,541.46 = 18,551,486.28 : x
  2. Step 2: Convert to fraction form
    42,808,489.32/64,222,541.46 = 18,551,486.28/x
  3. Step 3: Cross multiply
    42,808,489.32x = 64,222,541.46 × 18,551,486.28
  4. Step 4: Simplify right side
    42,808,489.32x = 1,191,423,596,761,921.25
  5. Step 5: Solve for x
    x = 1,191,423,596,761,921.25/42,808,489.32
  6. Step 6: Final answer
    x = 27,831,479.59

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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.