Home / 20,736,011.40-31,104,017.10-16,956,875.40

Finding the Fourth Proportional to 20,736,011.40, 31,104,017.10 and 16,956,875.40

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Solution

The fourth proportional to 20,736,011.40, 31,104,017.10 and 16,956,875.40 is: 25,435,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,011.40 : 31,104,017.10 = 16,956,875.40 : x
  2. Step 2: Convert to fraction form
    20,736,011.40/31,104,017.10 = 16,956,875.40/x
  3. Step 3: Cross multiply
    20,736,011.40x = 31,104,017.10 × 16,956,875.40
  4. Step 4: Simplify right side
    20,736,011.40x = 527,426,942,404,169.31
  5. Step 5: Solve for x
    x = 527,426,942,404,169.31/20,736,011.40
  6. Step 6: Final answer
    x = 25,435,313.10

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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.