Home / 7,670,653.47-11,502,989.69-2,875,728.87

Finding the Fourth Proportional to 7,670,653.47, 11,502,989.69 and 2,875,728.87

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Solution

The fourth proportional to 7,670,653.47, 11,502,989.69 and 2,875,728.87 is: 4,312,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,653.47 : 11,502,989.69 = 2,875,728.87 : x
  2. Step 2: Convert to fraction form
    7,670,653.47/11,502,989.69 = 2,875,728.87/x
  3. Step 3: Cross multiply
    7,670,653.47x = 11,502,989.69 × 2,875,728.87
  4. Step 4: Simplify right side
    7,670,653.47x = 33,079,479,528,466.71
  5. Step 5: Solve for x
    x = 33,079,479,528,466.71/7,670,653.47
  6. Step 6: Final answer
    x = 4,312,472.16

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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.