Home / 13,828,973.40-19,085,788.98-7,718,670.36

Finding the Fourth Proportional to 13,828,973.40, 19,085,788.98 and 7,718,670.36

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Solution

The fourth proportional to 13,828,973.40, 19,085,788.98 and 7,718,670.36 is: 10,652,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,973.40 : 19,085,788.98 = 7,718,670.36 : x
  2. Step 2: Convert to fraction form
    13,828,973.40/19,085,788.98 = 7,718,670.36/x
  3. Step 3: Cross multiply
    13,828,973.40x = 19,085,788.98 × 7,718,670.36
  4. Step 4: Simplify right side
    13,828,973.40x = 147,316,913,697,140.66
  5. Step 5: Solve for x
    x = 147,316,913,697,140.66/13,828,973.40
  6. Step 6: Final answer
    x = 10,652,772.95

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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.