Home / 19,931,901.80-29,897,852.70-18,936,573.80

Finding the Fourth Proportional to 19,931,901.80, 29,897,852.70 and 18,936,573.80

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Solution

The fourth proportional to 19,931,901.80, 29,897,852.70 and 18,936,573.80 is: 28,404,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,901.80 : 29,897,852.70 = 18,936,573.80 : x
  2. Step 2: Convert to fraction form
    19,931,901.80/29,897,852.70 = 18,936,573.80/x
  3. Step 3: Cross multiply
    19,931,901.80x = 29,897,852.70 × 18,936,573.80
  4. Step 4: Simplify right side
    19,931,901.80x = 566,162,894,115,079.25
  5. Step 5: Solve for x
    x = 566,162,894,115,079.25/19,931,901.80
  6. Step 6: Final answer
    x = 28,404,860.70

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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.