Home / 47,476,679.19-71,205,054.13-13,390,053.45

Finding the Fourth Proportional to 47,476,679.19, 71,205,054.13 and 13,390,053.45

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Solution

The fourth proportional to 47,476,679.19, 71,205,054.13 and 13,390,053.45 is: 20,082,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476,679.19 : 71,205,054.13 = 13,390,053.45 : x
  2. Step 2: Convert to fraction form
    47,476,679.19/71,205,054.13 = 13,390,053.45/x
  3. Step 3: Cross multiply
    47,476,679.19x = 71,205,054.13 × 13,390,053.45
  4. Step 4: Simplify right side
    47,476,679.19x = 953,439,480,460,561.75
  5. Step 5: Solve for x
    x = 953,439,480,460,561.75/47,476,679.19
  6. Step 6: Final answer
    x = 20,082,269.80

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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.