Home / 10,718,145.60-16,077,218.40-7,316,923.20

Finding the Fourth Proportional to 10,718,145.60, 16,077,218.40 and 7,316,923.20

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Solution

The fourth proportional to 10,718,145.60, 16,077,218.40 and 7,316,923.20 is: 10,975,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718,145.60 : 16,077,218.40 = 7,316,923.20 : x
  2. Step 2: Convert to fraction form
    10,718,145.60/16,077,218.40 = 7,316,923.20/x
  3. Step 3: Cross multiply
    10,718,145.60x = 16,077,218.40 × 7,316,923.20
  4. Step 4: Simplify right side
    10,718,145.60x = 117,635,772,302,426.89
  5. Step 5: Solve for x
    x = 117,635,772,302,426.89/10,718,145.60
  6. Step 6: Final answer
    x = 10,975,384.80

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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.