Home / 12,710,897.70-19,066,346.55-11,777,777.70

Finding the Fourth Proportional to 12,710,897.70, 19,066,346.55 and 11,777,777.70

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Solution

The fourth proportional to 12,710,897.70, 19,066,346.55 and 11,777,777.70 is: 17,666,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,897.70 : 19,066,346.55 = 11,777,777.70 : x
  2. Step 2: Convert to fraction form
    12,710,897.70/19,066,346.55 = 11,777,777.70/x
  3. Step 3: Cross multiply
    12,710,897.70x = 19,066,346.55 × 11,777,777.70
  4. Step 4: Simplify right side
    12,710,897.70x = 224,559,191,217,061.94
  5. Step 5: Solve for x
    x = 224,559,191,217,061.94/12,710,897.70
  6. Step 6: Final answer
    x = 17,666,666.55

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Similar ratio
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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.