Home / 28,877,897.70-43,328,510.55-12,706,928.10

Finding the Fourth Proportional to 28,877,897.70, 43,328,510.55 and 12,706,928.10

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Solution

The fourth proportional to 28,877,897.70, 43,328,510.55 and 12,706,928.10 is: 19,065,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,897.70 : 43,328,510.55 = 12,706,928.10 : x
  2. Step 2: Convert to fraction form
    28,877,897.70/43,328,510.55 = 12,706,928.10/x
  3. Step 3: Cross multiply
    28,877,897.70x = 43,328,510.55 × 12,706,928.10
  4. Step 4: Simplify right side
    28,877,897.70x = 550,572,268,238,941.38
  5. Step 5: Solve for x
    x = 550,572,268,238,941.38/28,877,897.70
  6. Step 6: Final answer
    x = 19,065,524.57

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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.