Home / 16,130,639.71-22,268,509.70-10,931,116.47

Finding the Fourth Proportional to 16,130,639.71, 22,268,509.70 and 10,931,116.47

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Solution

The fourth proportional to 16,130,639.71, 22,268,509.70 and 10,931,116.47 is: 15,090,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130,639.71 : 22,268,509.70 = 10,931,116.47 : x
  2. Step 2: Convert to fraction form
    16,130,639.71/22,268,509.70 = 10,931,116.47/x
  3. Step 3: Cross multiply
    16,130,639.71x = 22,268,509.70 × 10,931,116.47
  4. Step 4: Simplify right side
    16,130,639.71x = 243,419,672,978,026.62
  5. Step 5: Solve for x
    x = 243,419,672,978,026.62/16,130,639.71
  6. Step 6: Final answer
    x = 15,090,515.77

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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.