Home / 30,461,665.95-42,036,854.04-16,522,986.42

Finding the Fourth Proportional to 30,461,665.95, 42,036,854.04 and 16,522,986.42

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Solution

The fourth proportional to 30,461,665.95, 42,036,854.04 and 16,522,986.42 is: 22,801,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461,665.95 : 42,036,854.04 = 16,522,986.42 : x
  2. Step 2: Convert to fraction form
    30,461,665.95/42,036,854.04 = 16,522,986.42/x
  3. Step 3: Cross multiply
    30,461,665.95x = 42,036,854.04 × 16,522,986.42
  4. Step 4: Simplify right side
    30,461,665.95x = 694,574,368,442,442.12
  5. Step 5: Solve for x
    x = 694,574,368,442,442.12/30,461,665.95
  6. Step 6: Final answer
    x = 22,801,588.38

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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.