Home / 16,130,640.47-22,268,510.73-10,931,117.22

Finding the Fourth Proportional to 16,130,640.47, 22,268,510.73 and 10,931,117.22

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Solution

The fourth proportional to 16,130,640.47, 22,268,510.73 and 10,931,117.22 is: 15,090,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130,640.47 : 22,268,510.73 = 10,931,117.22 : x
  2. Step 2: Convert to fraction form
    16,130,640.47/22,268,510.73 = 10,931,117.22/x
  3. Step 3: Cross multiply
    16,130,640.47x = 22,268,510.73 × 10,931,117.22
  4. Step 4: Simplify right side
    16,130,640.47x = 243,419,701,104,457.78
  5. Step 5: Solve for x
    x = 243,419,701,104,457.78/16,130,640.47
  6. Step 6: Final answer
    x = 15,090,516.81

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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.