Home / 19,154,765.55-28,742,237.40-11,073,416.82

Finding the Fourth Proportional to 19,154,765.55, 28,742,237.40 and 11,073,416.82

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Solution

The fourth proportional to 19,154,765.55, 28,742,237.40 and 11,073,416.82 is: 16,615,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154,765.55 : 28,742,237.40 = 11,073,416.82 : x
  2. Step 2: Convert to fraction form
    19,154,765.55/28,742,237.40 = 11,073,416.82/x
  3. Step 3: Cross multiply
    19,154,765.55x = 28,742,237.40 × 11,073,416.82
  4. Step 4: Simplify right side
    19,154,765.55x = 318,274,775,003,335
  5. Step 5: Solve for x
    x = 318,274,775,003,335/19,154,765.55
  6. Step 6: Final answer
    x = 16,615,957.74

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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.