Home / 10,282,779.70-15,424,169.55-5,243,931.70

Finding the Fourth Proportional to 10,282,779.70, 15,424,169.55 and 5,243,931.70

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Solution

The fourth proportional to 10,282,779.70, 15,424,169.55 and 5,243,931.70 is: 7,865,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,779.70 : 15,424,169.55 = 5,243,931.70 : x
  2. Step 2: Convert to fraction form
    10,282,779.70/15,424,169.55 = 5,243,931.70/x
  3. Step 3: Cross multiply
    10,282,779.70x = 15,424,169.55 × 5,243,931.70
  4. Step 4: Simplify right side
    10,282,779.70x = 80,883,291,649,419.73
  5. Step 5: Solve for x
    x = 80,883,291,649,419.73/10,282,779.70
  6. Step 6: Final answer
    x = 7,865,897.55

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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.