Home / 10,369,817.70-15,554,726.55-6,786,636.90

Finding the Fourth Proportional to 10,369,817.70, 15,554,726.55 and 6,786,636.90

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Solution

The fourth proportional to 10,369,817.70, 15,554,726.55 and 6,786,636.90 is: 10,179,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,817.70 : 15,554,726.55 = 6,786,636.90 : x
  2. Step 2: Convert to fraction form
    10,369,817.70/15,554,726.55 = 6,786,636.90/x
  3. Step 3: Cross multiply
    10,369,817.70x = 15,554,726.55 × 6,786,636.90
  4. Step 4: Simplify right side
    10,369,817.70x = 105,564,281,173,639.70
  5. Step 5: Solve for x
    x = 105,564,281,173,639.70/10,369,817.70
  6. Step 6: Final answer
    x = 10,179,955.35

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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.