Home / 13,298,681.40-19,956,879.45-6,106,513.20

Finding the Fourth Proportional to 13,298,681.40, 19,956,879.45 and 6,106,513.20

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Solution

The fourth proportional to 13,298,681.40, 19,956,879.45 and 6,106,513.20 is: 9,163,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298,681.40 : 19,956,879.45 = 6,106,513.20 : x
  2. Step 2: Convert to fraction form
    13,298,681.40/19,956,879.45 = 6,106,513.20/x
  3. Step 3: Cross multiply
    13,298,681.40x = 19,956,879.45 × 6,106,513.20
  4. Step 4: Simplify right side
    13,298,681.40x = 121,866,947,792,233.73
  5. Step 5: Solve for x
    x = 121,866,947,792,233.73/13,298,681.40
  6. Step 6: Final answer
    x = 9,163,836.93

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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.