Home / 19,184,423.70-28,752,141.15-7,812,023.70

Finding the Fourth Proportional to 19,184,423.70, 28,752,141.15 and 7,812,023.70

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Solution

The fourth proportional to 19,184,423.70, 28,752,141.15 and 7,812,023.70 is: 11,708,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184,423.70 : 28,752,141.15 = 7,812,023.70 : x
  2. Step 2: Convert to fraction form
    19,184,423.70/28,752,141.15 = 7,812,023.70/x
  3. Step 3: Cross multiply
    19,184,423.70x = 28,752,141.15 × 7,812,023.70
  4. Step 4: Simplify right side
    19,184,423.70x = 224,612,408,089,545.25
  5. Step 5: Solve for x
    x = 224,612,408,089,545.25/19,184,423.70
  6. Step 6: Final answer
    x = 11,708,061.27

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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.