Home / 31,507,339.80-47,261,009.70-25,130,047.80

Finding the Fourth Proportional to 31,507,339.80, 47,261,009.70 and 25,130,047.80

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Solution

The fourth proportional to 31,507,339.80, 47,261,009.70 and 25,130,047.80 is: 37,695,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,339.80 : 47,261,009.70 = 25,130,047.80 : x
  2. Step 2: Convert to fraction form
    31,507,339.80/47,261,009.70 = 25,130,047.80/x
  3. Step 3: Cross multiply
    31,507,339.80x = 47,261,009.70 × 25,130,047.80
  4. Step 4: Simplify right side
    31,507,339.80x = 1,187,671,432,837,263.75
  5. Step 5: Solve for x
    x = 1,187,671,432,837,263.75/31,507,339.80
  6. Step 6: Final answer
    x = 37,695,071.70

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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.