Home / 19,657,564.61-27,128,362.86-10,955,799.54

Finding the Fourth Proportional to 19,657,564.61, 27,128,362.86 and 10,955,799.54

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Solution

The fourth proportional to 19,657,564.61, 27,128,362.86 and 10,955,799.54 is: 15,119,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657,564.61 : 27,128,362.86 = 10,955,799.54 : x
  2. Step 2: Convert to fraction form
    19,657,564.61/27,128,362.86 = 10,955,799.54/x
  3. Step 3: Cross multiply
    19,657,564.61x = 27,128,362.86 × 10,955,799.54
  4. Step 4: Simplify right side
    19,657,564.61x = 297,212,905,342,541.06
  5. Step 5: Solve for x
    x = 297,212,905,342,541.06/19,657,564.61
  6. Step 6: Final answer
    x = 15,119,518.18

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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.