Home / 14,042,005.20-21,063,007.80-12,152,437.20

Finding the Fourth Proportional to 14,042,005.20, 21,063,007.80 and 12,152,437.20

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Solution

The fourth proportional to 14,042,005.20, 21,063,007.80 and 12,152,437.20 is: 18,228,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,005.20 : 21,063,007.80 = 12,152,437.20 : x
  2. Step 2: Convert to fraction form
    14,042,005.20/21,063,007.80 = 12,152,437.20/x
  3. Step 3: Cross multiply
    14,042,005.20x = 21,063,007.80 × 12,152,437.20
  4. Step 4: Simplify right side
    14,042,005.20x = 255,966,879,532,610.16
  5. Step 5: Solve for x
    x = 255,966,879,532,610.16/14,042,005.20
  6. Step 6: Final answer
    x = 18,228,655.80

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1.5x scale

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.