Home / 14,012,925.40-21,017,419.80-4,429,272.70

Finding the Fourth Proportional to 14,012,925.40, 21,017,419.80 and 4,429,272.70

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Solution

The fourth proportional to 14,012,925.40, 21,017,419.80 and 4,429,272.70 is: 6,643,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,925.40 : 21,017,419.80 = 4,429,272.70 : x
  2. Step 2: Convert to fraction form
    14,012,925.40/21,017,419.80 = 4,429,272.70/x
  3. Step 3: Cross multiply
    14,012,925.40x = 21,017,419.80 × 4,429,272.70
  4. Step 4: Simplify right side
    14,012,925.40x = 93,091,883,744,579.47
  5. Step 5: Solve for x
    x = 93,091,883,744,579.47/14,012,925.40
  6. Step 6: Final answer
    x = 6,643,286.90

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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.