Home / 26,429,413.60-39,634,789.20-9,390,642.40

Finding the Fourth Proportional to 26,429,413.60, 39,634,789.20 and 9,390,642.40

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Solution

The fourth proportional to 26,429,413.60, 39,634,789.20 and 9,390,642.40 is: 14,082,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429,413.60 : 39,634,789.20 = 9,390,642.40 : x
  2. Step 2: Convert to fraction form
    26,429,413.60/39,634,789.20 = 9,390,642.40/x
  3. Step 3: Cross multiply
    26,429,413.60x = 39,634,789.20 × 9,390,642.40
  4. Step 4: Simplify right side
    26,429,413.60x = 372,196,131,976,582.12
  5. Step 5: Solve for x
    x = 372,196,131,976,582.12/26,429,413.60
  6. Step 6: Final answer
    x = 14,082,648.13

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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.