Home / 28,371,055.55-39,153,017.79-16,778,555.87

Finding the Fourth Proportional to 28,371,055.55, 39,153,017.79 and 16,778,555.87

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Solution

The fourth proportional to 28,371,055.55, 39,153,017.79 and 16,778,555.87 is: 23,154,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,055.55 : 39,153,017.79 = 16,778,555.87 : x
  2. Step 2: Convert to fraction form
    28,371,055.55/39,153,017.79 = 16,778,555.87/x
  3. Step 3: Cross multiply
    28,371,055.55x = 39,153,017.79 × 16,778,555.87
  4. Step 4: Simplify right side
    28,371,055.55x = 656,931,096,272,853.75
  5. Step 5: Solve for x
    x = 656,931,096,272,853.75/28,371,055.55
  6. Step 6: Final answer
    x = 23,154,975.51

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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.