Home / 14,429,275.78-19,912,419.77-7,813,875.64

Finding the Fourth Proportional to 14,429,275.78, 19,912,419.77 and 7,813,875.64

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Solution

The fourth proportional to 14,429,275.78, 19,912,419.77 and 7,813,875.64 is: 10,783,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,275.78 : 19,912,419.77 = 7,813,875.64 : x
  2. Step 2: Convert to fraction form
    14,429,275.78/19,912,419.77 = 7,813,875.64/x
  3. Step 3: Cross multiply
    14,429,275.78x = 19,912,419.77 × 7,813,875.64
  4. Step 4: Simplify right side
    14,429,275.78x = 155,593,171,774,257.41
  5. Step 5: Solve for x
    x = 155,593,171,774,257.41/14,429,275.78
  6. Step 6: Final answer
    x = 10,783,158.78

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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.