Home / 56,653,615.60-84,980,423.40-18,319,004.80

Finding the Fourth Proportional to 56,653,615.60, 84,980,423.40 and 18,319,004.80

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Solution

The fourth proportional to 56,653,615.60, 84,980,423.40 and 18,319,004.80 is: 27,478,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653,615.60 : 84,980,423.40 = 18,319,004.80 : x
  2. Step 2: Convert to fraction form
    56,653,615.60/84,980,423.40 = 18,319,004.80/x
  3. Step 3: Cross multiply
    56,653,615.60x = 84,980,423.40 × 18,319,004.80
  4. Step 4: Simplify right side
    56,653,615.60x = 1,556,756,784,170,632.50
  5. Step 5: Solve for x
    x = 1,556,756,784,170,632.50/56,653,615.60
  6. Step 6: Final answer
    x = 27,478,507.20

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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.