Home / 10,913,006.70-16,369,510.05-9,903,268.80

Finding the Fourth Proportional to 10,913,006.70, 16,369,510.05 and 9,903,268.80

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Solution

The fourth proportional to 10,913,006.70, 16,369,510.05 and 9,903,268.80 is: 14,854,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913,006.70 : 16,369,510.05 = 9,903,268.80 : x
  2. Step 2: Convert to fraction form
    10,913,006.70/16,369,510.05 = 9,903,268.80/x
  3. Step 3: Cross multiply
    10,913,006.70x = 16,369,510.05 × 9,903,268.80
  4. Step 4: Simplify right side
    10,913,006.70x = 162,111,658,149,451.47
  5. Step 5: Solve for x
    x = 162,111,658,149,451.47/10,913,006.70
  6. Step 6: Final answer
    x = 14,854,903.20

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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.