Home / 13,205,931.84-18,217,478.88-8,624,934.72

Finding the Fourth Proportional to 13,205,931.84, 18,217,478.88 and 8,624,934.72

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Solution

The fourth proportional to 13,205,931.84, 18,217,478.88 and 8,624,934.72 is: 11,898,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,931.84 : 18,217,478.88 = 8,624,934.72 : x
  2. Step 2: Convert to fraction form
    13,205,931.84/18,217,478.88 = 8,624,934.72/x
  3. Step 3: Cross multiply
    13,205,931.84x = 18,217,478.88 × 8,624,934.72
  4. Step 4: Simplify right side
    13,205,931.84x = 157,124,566,102,978.72
  5. Step 5: Solve for x
    x = 157,124,566,102,978.72/13,205,931.84
  6. Step 6: Final answer
    x = 11,898,029.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.