Home / 12,961,409.00-17,886,637.68-7,160,068.92

Finding the Fourth Proportional to 12,961,409.00, 17,886,637.68 and 7,160,068.92

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Solution

The fourth proportional to 12,961,409.00, 17,886,637.68 and 7,160,068.92 is: 9,880,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,409.00 : 17,886,637.68 = 7,160,068.92 : x
  2. Step 2: Convert to fraction form
    12,961,409.00/17,886,637.68 = 7,160,068.92/x
  3. Step 3: Cross multiply
    12,961,409.00x = 17,886,637.68 × 7,160,068.92
  4. Step 4: Simplify right side
    12,961,409.00x = 128,069,558,535,868.91
  5. Step 5: Solve for x
    x = 128,069,558,535,868.91/12,961,409.00
  6. Step 6: Final answer
    x = 9,880,836.15

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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.