Home / 13,341,328.48-20,011,780.32-4,243,294.72

Finding the Fourth Proportional to 13,341,328.48, 20,011,780.32 and 4,243,294.72

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Solution

The fourth proportional to 13,341,328.48, 20,011,780.32 and 4,243,294.72 is: 6,364,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,328.48 : 20,011,780.32 = 4,243,294.72 : x
  2. Step 2: Convert to fraction form
    13,341,328.48/20,011,780.32 = 4,243,294.72/x
  3. Step 3: Cross multiply
    13,341,328.48x = 20,011,780.32 × 4,243,294.72
  4. Step 4: Simplify right side
    13,341,328.48x = 84,915,881,769,655.91
  5. Step 5: Solve for x
    x = 84,915,881,769,655.91/13,341,328.48
  6. Step 6: Final answer
    x = 6,364,874.52

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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.