Home / 12,944,947.40-19,429,862.70-6,562,406.60

Finding the Fourth Proportional to 12,944,947.40, 19,429,862.70 and 6,562,406.60

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Solution

The fourth proportional to 12,944,947.40, 19,429,862.70 and 6,562,406.60 is: 9,849,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,947.40 : 19,429,862.70 = 6,562,406.60 : x
  2. Step 2: Convert to fraction form
    12,944,947.40/19,429,862.70 = 6,562,406.60/x
  3. Step 3: Cross multiply
    12,944,947.40x = 19,429,862.70 × 6,562,406.60
  4. Step 4: Simplify right side
    12,944,947.40x = 127,506,659,219,573.81
  5. Step 5: Solve for x
    x = 127,506,659,219,573.81/12,944,947.40
  6. Step 6: Final answer
    x = 9,849,917.14

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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.