Home / 20,346,187.94-30,518,045.90-7,216,256.42

Finding the Fourth Proportional to 20,346,187.94, 30,518,045.90 and 7,216,256.42

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Solution

The fourth proportional to 20,346,187.94, 30,518,045.90 and 7,216,256.42 is: 10,823,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,187.94 : 30,518,045.90 = 7,216,256.42 : x
  2. Step 2: Convert to fraction form
    20,346,187.94/30,518,045.90 = 7,216,256.42/x
  3. Step 3: Cross multiply
    20,346,187.94x = 30,518,045.90 × 7,216,256.42
  4. Step 4: Simplify right side
    20,346,187.94x = 220,226,044,463,058.16
  5. Step 5: Solve for x
    x = 220,226,044,463,058.16/20,346,187.94
  6. Step 6: Final answer
    x = 10,823,946.24

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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.