Home / 14,435,152.80-19,920,510.24-7,909,029.44

Finding the Fourth Proportional to 14,435,152.80, 19,920,510.24 and 7,909,029.44

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Solution

The fourth proportional to 14,435,152.80, 19,920,510.24 and 7,909,029.44 is: 10,914,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,152.80 : 19,920,510.24 = 7,909,029.44 : x
  2. Step 2: Convert to fraction form
    14,435,152.80/19,920,510.24 = 7,909,029.44/x
  3. Step 3: Cross multiply
    14,435,152.80x = 19,920,510.24 × 7,909,029.44
  4. Step 4: Simplify right side
    14,435,152.80x = 157,551,901,947,981.47
  5. Step 5: Solve for x
    x = 157,551,901,947,981.47/14,435,152.80
  6. Step 6: Final answer
    x = 10,914,460.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.