Home / 19,838,897.19-27,377,741.55-11,018,346.87

Finding the Fourth Proportional to 19,838,897.19, 27,377,741.55 and 11,018,346.87

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Solution

The fourth proportional to 19,838,897.19, 27,377,741.55 and 11,018,346.87 is: 15,205,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838,897.19 : 27,377,741.55 = 11,018,346.87 : x
  2. Step 2: Convert to fraction form
    19,838,897.19/27,377,741.55 = 11,018,346.87/x
  3. Step 3: Cross multiply
    19,838,897.19x = 27,377,741.55 × 11,018,346.87
  4. Step 4: Simplify right side
    19,838,897.19x = 301,657,452,860,019.69
  5. Step 5: Solve for x
    x = 301,657,452,860,019.69/19,838,897.19
  6. Step 6: Final answer
    x = 15,205,353.91

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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.