Home / 9,828,705.57-13,563,681.03-5,478,072.18

Finding the Fourth Proportional to 9,828,705.57, 13,563,681.03 and 5,478,072.18

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Solution

The fourth proportional to 9,828,705.57, 13,563,681.03 and 5,478,072.18 is: 7,559,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828,705.57 : 13,563,681.03 = 5,478,072.18 : x
  2. Step 2: Convert to fraction form
    9,828,705.57/13,563,681.03 = 5,478,072.18/x
  3. Step 3: Cross multiply
    9,828,705.57x = 13,563,681.03 × 5,478,072.18
  4. Step 4: Simplify right side
    9,828,705.57x = 74,302,823,708,836.73
  5. Step 5: Solve for x
    x = 74,302,823,708,836.73/9,828,705.57
  6. Step 6: Final answer
    x = 7,559,777.14

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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.