Home / 28,488,667.68-39,314,305.98-15,436,279.98

Finding the Fourth Proportional to 28,488,667.68, 39,314,305.98 and 15,436,279.98

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Solution

The fourth proportional to 28,488,667.68, 39,314,305.98 and 15,436,279.98 is: 21,302,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,667.68 : 39,314,305.98 = 15,436,279.98 : x
  2. Step 2: Convert to fraction form
    28,488,667.68/39,314,305.98 = 15,436,279.98/x
  3. Step 3: Cross multiply
    28,488,667.68x = 39,314,305.98 × 15,436,279.98
  4. Step 4: Simplify right side
    28,488,667.68x = 606,866,634,326,668.25
  5. Step 5: Solve for x
    x = 606,866,634,326,668.25/28,488,667.68
  6. Step 6: Final answer
    x = 21,302,036.34

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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.