Home / 27,658,437.80-41,487,656.70-11,700,012.20

Finding the Fourth Proportional to 27,658,437.80, 41,487,656.70 and 11,700,012.20

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Solution

The fourth proportional to 27,658,437.80, 41,487,656.70 and 11,700,012.20 is: 17,550,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658,437.80 : 41,487,656.70 = 11,700,012.20 : x
  2. Step 2: Convert to fraction form
    27,658,437.80/41,487,656.70 = 11,700,012.20/x
  3. Step 3: Cross multiply
    27,658,437.80x = 41,487,656.70 × 11,700,012.20
  4. Step 4: Simplify right side
    27,658,437.80x = 485,406,089,539,411.75
  5. Step 5: Solve for x
    x = 485,406,089,539,411.75/27,658,437.80
  6. Step 6: Final answer
    x = 17,550,018.30

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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.