Home / 12,996,021.80-19,495,875.90-4,019,637.80

Finding the Fourth Proportional to 12,996,021.80, 19,495,875.90 and 4,019,637.80

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Solution

The fourth proportional to 12,996,021.80, 19,495,875.90 and 4,019,637.80 is: 6,030,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,021.80 : 19,495,875.90 = 4,019,637.80 : x
  2. Step 2: Convert to fraction form
    12,996,021.80/19,495,875.90 = 4,019,637.80/x
  3. Step 3: Cross multiply
    12,996,021.80x = 19,495,875.90 × 4,019,637.80
  4. Step 4: Simplify right side
    12,996,021.80x = 78,366,359,711,749.02
  5. Step 5: Solve for x
    x = 78,366,359,711,749.02/12,996,021.80
  6. Step 6: Final answer
    x = 6,030,026.80

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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.