Home / 10,881,606.20-16,357,838.70-7,708,706.60

Finding the Fourth Proportional to 10,881,606.20, 16,357,838.70 and 7,708,706.60

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Solution

The fourth proportional to 10,881,606.20, 16,357,838.70 and 7,708,706.60 is: 11,588,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,606.20 : 16,357,838.70 = 7,708,706.60 : x
  2. Step 2: Convert to fraction form
    10,881,606.20/16,357,838.70 = 7,708,706.60/x
  3. Step 3: Cross multiply
    10,881,606.20x = 16,357,838.70 × 7,708,706.60
  4. Step 4: Simplify right side
    10,881,606.20x = 126,097,779,148,425.41
  5. Step 5: Solve for x
    x = 126,097,779,148,425.41/10,881,606.20
  6. Step 6: Final answer
    x = 11,588,158.66

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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.