Home / 28,602,389.72-39,471,746.92-15,549,698.49

Finding the Fourth Proportional to 28,602,389.72, 39,471,746.92 and 15,549,698.49

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Solution

The fourth proportional to 28,602,389.72, 39,471,746.92 and 15,549,698.49 is: 21,458,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602,389.72 : 39,471,746.92 = 15,549,698.49 : x
  2. Step 2: Convert to fraction form
    28,602,389.72/39,471,746.92 = 15,549,698.49/x
  3. Step 3: Cross multiply
    28,602,389.72x = 39,471,746.92 × 15,549,698.49
  4. Step 4: Simplify right side
    28,602,389.72x = 613,773,763,292,692.75
  5. Step 5: Solve for x
    x = 613,773,763,292,692.75/28,602,389.72
  6. Step 6: Final answer
    x = 21,458,828.06

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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.