Home / 16,054,313.72-22,154,967.95-9,178,939.76

Finding the Fourth Proportional to 16,054,313.72, 22,154,967.95 and 9,178,939.76

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Solution

The fourth proportional to 16,054,313.72, 22,154,967.95 and 9,178,939.76 is: 12,666,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054,313.72 : 22,154,967.95 = 9,178,939.76 : x
  2. Step 2: Convert to fraction form
    16,054,313.72/22,154,967.95 = 9,178,939.76/x
  3. Step 3: Cross multiply
    16,054,313.72x = 22,154,967.95 × 9,178,939.76
  4. Step 4: Simplify right side
    16,054,313.72x = 203,359,116,041,111.19
  5. Step 5: Solve for x
    x = 203,359,116,041,111.19/16,054,313.72
  6. Step 6: Final answer
    x = 12,666,945.45

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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.