Home / 31,526,017.95-47,291,021.95-13,326,820.50

Finding the Fourth Proportional to 31,526,017.95, 47,291,021.95 and 13,326,820.50

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Solution

The fourth proportional to 31,526,017.95, 47,291,021.95 and 13,326,820.50 is: 19,991,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526,017.95 : 47,291,021.95 = 13,326,820.50 : x
  2. Step 2: Convert to fraction form
    31,526,017.95/47,291,021.95 = 13,326,820.50/x
  3. Step 3: Cross multiply
    31,526,017.95x = 47,291,021.95 × 13,326,820.50
  4. Step 4: Simplify right side
    31,526,017.95x = 630,238,960,789,210
  5. Step 5: Solve for x
    x = 630,238,960,789,210/31,526,017.95
  6. Step 6: Final answer
    x = 19,991,074.10

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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.