Home / 8,030,828.16-12,020,829.30-5,148,342.72

Finding the Fourth Proportional to 8,030,828.16, 12,020,829.30 and 5,148,342.72

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Solution

The fourth proportional to 8,030,828.16, 12,020,829.30 and 5,148,342.72 is: 7,706,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030,828.16 : 12,020,829.30 = 5,148,342.72 : x
  2. Step 2: Convert to fraction form
    8,030,828.16/12,020,829.30 = 5,148,342.72/x
  3. Step 3: Cross multiply
    8,030,828.16x = 12,020,829.30 × 5,148,342.72
  4. Step 4: Simplify right side
    8,030,828.16x = 61,887,349,015,017.70
  5. Step 5: Solve for x
    x = 61,887,349,015,017.70/8,030,828.16
  6. Step 6: Final answer
    x = 7,706,222.54

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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.