Home / 12,896,132.70-19,316,205.45-10,656,644.70

Finding the Fourth Proportional to 12,896,132.70, 19,316,205.45 and 10,656,644.70

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Solution

The fourth proportional to 12,896,132.70, 19,316,205.45 and 10,656,644.70 is: 15,961,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,132.70 : 19,316,205.45 = 10,656,644.70 : x
  2. Step 2: Convert to fraction form
    12,896,132.70/19,316,205.45 = 10,656,644.70/x
  3. Step 3: Cross multiply
    12,896,132.70x = 19,316,205.45 × 10,656,644.70
  4. Step 4: Simplify right side
    12,896,132.70x = 205,845,938,432,853.59
  5. Step 5: Solve for x
    x = 205,845,938,432,853.59/12,896,132.70
  6. Step 6: Final answer
    x = 15,961,834.70

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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.