Home / 19,249,211.70-28,890,147.15-7,897,806.90

Finding the Fourth Proportional to 19,249,211.70, 28,890,147.15 and 7,897,806.90

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Solution

The fourth proportional to 19,249,211.70, 28,890,147.15 and 7,897,806.90 is: 11,853,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,211.70 : 28,890,147.15 = 7,897,806.90 : x
  2. Step 2: Convert to fraction form
    19,249,211.70/28,890,147.15 = 7,897,806.90/x
  3. Step 3: Cross multiply
    19,249,211.70x = 28,890,147.15 × 7,897,806.90
  4. Step 4: Simplify right side
    19,249,211.70x = 228,168,803,503,285.34
  5. Step 5: Solve for x
    x = 228,168,803,503,285.34/19,249,211.70
  6. Step 6: Final answer
    x = 11,853,410.26

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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.