Home / 18,973,439.16-28,459,641.96-5,326,698.48

Finding the Fourth Proportional to 18,973,439.16, 28,459,641.96 and 5,326,698.48

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Solution

The fourth proportional to 18,973,439.16, 28,459,641.96 and 5,326,698.48 is: 7,989,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973,439.16 : 28,459,641.96 = 5,326,698.48 : x
  2. Step 2: Convert to fraction form
    18,973,439.16/28,459,641.96 = 5,326,698.48/x
  3. Step 3: Cross multiply
    18,973,439.16x = 28,459,641.96 × 5,326,698.48
  4. Step 4: Simplify right side
    18,973,439.16x = 151,595,931,569,676.25
  5. Step 5: Solve for x
    x = 151,595,931,569,676.25/18,973,439.16
  6. Step 6: Final answer
    x = 7,989,902.64

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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.