Home / 19,155,123.60-28,742,774.28-11,073,775.92

Finding the Fourth Proportional to 19,155,123.60, 28,742,774.28 and 11,073,775.92

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Solution

The fourth proportional to 19,155,123.60, 28,742,774.28 and 11,073,775.92 is: 16,616,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,123.60 : 28,742,774.28 = 11,073,775.92 : x
  2. Step 2: Convert to fraction form
    19,155,123.60/28,742,774.28 = 11,073,775.92/x
  3. Step 3: Cross multiply
    19,155,123.60x = 28,742,774.28 × 11,073,775.92
  4. Step 4: Simplify right side
    19,155,123.60x = 318,291,041,695,859.38
  5. Step 5: Solve for x
    x = 318,291,041,695,859.38/19,155,123.60
  6. Step 6: Final answer
    x = 16,616,496.37

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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.