Home / 19,343,479.55-28,991,304.45-9,761,598.32

Finding the Fourth Proportional to 19,343,479.55, 28,991,304.45 and 9,761,598.32

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Solution

The fourth proportional to 19,343,479.55, 28,991,304.45 and 9,761,598.32 is: 14,630,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343,479.55 : 28,991,304.45 = 9,761,598.32 : x
  2. Step 2: Convert to fraction form
    19,343,479.55/28,991,304.45 = 9,761,598.32/x
  3. Step 3: Cross multiply
    19,343,479.55x = 28,991,304.45 × 9,761,598.32
  4. Step 4: Simplify right side
    19,343,479.55x = 283,001,468,668,772
  5. Step 5: Solve for x
    x = 283,001,468,668,772/19,343,479.55
  6. Step 6: Final answer
    x = 14,630,328.94

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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.