Home / 15,706,349.80-23,577,239.40-12,127,980.40

Finding the Fourth Proportional to 15,706,349.80, 23,577,239.40 and 12,127,980.40

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Solution

The fourth proportional to 15,706,349.80, 23,577,239.40 and 12,127,980.40 is: 18,205,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706,349.80 : 23,577,239.40 = 12,127,980.40 : x
  2. Step 2: Convert to fraction form
    15,706,349.80/23,577,239.40 = 12,127,980.40/x
  3. Step 3: Cross multiply
    15,706,349.80x = 23,577,239.40 × 12,127,980.40
  4. Step 4: Simplify right side
    15,706,349.80x = 285,944,297,329,307.75
  5. Step 5: Solve for x
    x = 285,944,297,329,307.75/15,706,349.80
  6. Step 6: Final answer
    x = 18,205,649.37

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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.