Home / 6,528,038.40-8,988,537.60-5,426,956.80

Finding the Fourth Proportional to 6,528,038.40, 8,988,537.60 and 5,426,956.80

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Solution

The fourth proportional to 6,528,038.40, 8,988,537.60 and 5,426,956.80 is: 7,472,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,038.40 : 8,988,537.60 = 5,426,956.80 : x
  2. Step 2: Convert to fraction form
    6,528,038.40/8,988,537.60 = 5,426,956.80/x
  3. Step 3: Cross multiply
    6,528,038.40x = 8,988,537.60 × 5,426,956.80
  4. Step 4: Simplify right side
    6,528,038.40x = 48,780,405,250,375.68
  5. Step 5: Solve for x
    x = 48,780,405,250,375.68/6,528,038.40
  6. Step 6: Final answer
    x = 7,472,444.59

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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.