Home / 28,083,913.80-42,125,870.70-11,035,811.40

Finding the Fourth Proportional to 28,083,913.80, 42,125,870.70 and 11,035,811.40

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Solution

The fourth proportional to 28,083,913.80, 42,125,870.70 and 11,035,811.40 is: 16,553,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,913.80 : 42,125,870.70 = 11,035,811.40 : x
  2. Step 2: Convert to fraction form
    28,083,913.80/42,125,870.70 = 11,035,811.40/x
  3. Step 3: Cross multiply
    28,083,913.80x = 42,125,870.70 × 11,035,811.40
  4. Step 4: Simplify right side
    28,083,913.80x = 464,893,164,105,986
  5. Step 5: Solve for x
    x = 464,893,164,105,986/28,083,913.80
  6. Step 6: Final answer
    x = 16,553,717.10

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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.