Home / 31,806,844.20-47,710,266.30-7,872,316.20

Finding the Fourth Proportional to 31,806,844.20, 47,710,266.30 and 7,872,316.20

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Solution

The fourth proportional to 31,806,844.20, 47,710,266.30 and 7,872,316.20 is: 11,808,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806,844.20 : 47,710,266.30 = 7,872,316.20 : x
  2. Step 2: Convert to fraction form
    31,806,844.20/47,710,266.30 = 7,872,316.20/x
  3. Step 3: Cross multiply
    31,806,844.20x = 47,710,266.30 × 7,872,316.20
  4. Step 4: Simplify right side
    31,806,844.20x = 375,590,302,299,804.06
  5. Step 5: Solve for x
    x = 375,590,302,299,804.06/31,806,844.20
  6. Step 6: Final answer
    x = 11,808,474.30

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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.