Home / 31,927,461.40-47,897,412.90-12,754,955.80

Finding the Fourth Proportional to 31,927,461.40, 47,897,412.90 and 12,754,955.80

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Solution

The fourth proportional to 31,927,461.40, 47,897,412.90 and 12,754,955.80 is: 19,134,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927,461.40 : 47,897,412.90 = 12,754,955.80 : x
  2. Step 2: Convert to fraction form
    31,927,461.40/47,897,412.90 = 12,754,955.80/x
  3. Step 3: Cross multiply
    31,927,461.40x = 47,897,412.90 × 12,754,955.80
  4. Step 4: Simplify right side
    31,927,461.40x = 610,929,384,473,849.88
  5. Step 5: Solve for x
    x = 610,929,384,473,849.88/31,927,461.40
  6. Step 6: Final answer
    x = 19,134,918.90

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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.