Home / 19,214,897.76-26,512,220.16-11,478,432.24

Finding the Fourth Proportional to 19,214,897.76, 26,512,220.16 and 11,478,432.24

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Solution

The fourth proportional to 19,214,897.76, 26,512,220.16 and 11,478,432.24 is: 15,837,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214,897.76 : 26,512,220.16 = 11,478,432.24 : x
  2. Step 2: Convert to fraction form
    19,214,897.76/26,512,220.16 = 11,478,432.24/x
  3. Step 3: Cross multiply
    19,214,897.76x = 26,512,220.16 × 11,478,432.24
  4. Step 4: Simplify right side
    19,214,897.76x = 304,318,722,638,521.94
  5. Step 5: Solve for x
    x = 304,318,722,638,521.94/19,214,897.76
  6. Step 6: Final answer
    x = 15,837,644.65

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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.