Home / 14,346,910.70-21,520,366.05-13,788,897.65

Finding the Fourth Proportional to 14,346,910.70, 21,520,366.05 and 13,788,897.65

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Solution

The fourth proportional to 14,346,910.70, 21,520,366.05 and 13,788,897.65 is: 20,683,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346,910.70 : 21,520,366.05 = 13,788,897.65 : x
  2. Step 2: Convert to fraction form
    14,346,910.70/21,520,366.05 = 13,788,897.65/x
  3. Step 3: Cross multiply
    14,346,910.70x = 21,520,366.05 × 13,788,897.65
  4. Step 4: Simplify right side
    14,346,910.70x = 296,742,124,853,984.81
  5. Step 5: Solve for x
    x = 296,742,124,853,984.81/14,346,910.70
  6. Step 6: Final answer
    x = 20,683,346.48

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1.5x scale

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.