Home / 13,742,814.69-20,616,756.21-4,521,306.40

Finding the Fourth Proportional to 13,742,814.69, 20,616,756.21 and 4,521,306.40

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Solution

The fourth proportional to 13,742,814.69, 20,616,756.21 and 4,521,306.40 is: 6,782,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,814.69 : 20,616,756.21 = 4,521,306.40 : x
  2. Step 2: Convert to fraction form
    13,742,814.69/20,616,756.21 = 4,521,306.40/x
  3. Step 3: Cross multiply
    13,742,814.69x = 20,616,756.21 × 4,521,306.40
  4. Step 4: Simplify right side
    13,742,814.69x = 93,214,671,747,970.86
  5. Step 5: Solve for x
    x = 93,214,671,747,970.86/13,742,814.69
  6. Step 6: Final answer
    x = 6,782,793.33

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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.