Home / 10,055,020-13,875,810.96-5,471,262.40

Finding the Fourth Proportional to 10,055,020, 13,875,810.96 and 5,471,262.40

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Solution

The fourth proportional to 10,055,020, 13,875,810.96 and 5,471,262.40 is: 7,550,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055,020 : 13,875,810.96 = 5,471,262.40 : x
  2. Step 2: Convert to fraction form
    10,055,020/13,875,810.96 = 5,471,262.40/x
  3. Step 3: Cross multiply
    10,055,020x = 13,875,810.96 × 5,471,262.40
  4. Step 4: Simplify right side
    10,055,020x = 75,918,202,774,955.91
  5. Step 5: Solve for x
    x = 75,918,202,774,955.91/10,055,020
  6. Step 6: Final answer
    x = 7,550,278.64

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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.