Home / 13,793,144.34-19,031,626.98-7,991,572.80

Finding the Fourth Proportional to 13,793,144.34, 19,031,626.98 and 7,991,572.80

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Solution

The fourth proportional to 13,793,144.34, 19,031,626.98 and 7,991,572.80 is: 11,026,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,144.34 : 19,031,626.98 = 7,991,572.80 : x
  2. Step 2: Convert to fraction form
    13,793,144.34/19,031,626.98 = 7,991,572.80/x
  3. Step 3: Cross multiply
    13,793,144.34x = 19,031,626.98 × 7,991,572.80
  4. Step 4: Simplify right side
    13,793,144.34x = 152,092,632,513,114.16
  5. Step 5: Solve for x
    x = 152,092,632,513,114.16/13,793,144.34
  6. Step 6: Final answer
    x = 11,026,683.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.