Home / 12,461,965.40-18,692,948.10-5,743,501.40

Finding the Fourth Proportional to 12,461,965.40, 18,692,948.10 and 5,743,501.40

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Solution

The fourth proportional to 12,461,965.40, 18,692,948.10 and 5,743,501.40 is: 8,615,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,965.40 : 18,692,948.10 = 5,743,501.40 : x
  2. Step 2: Convert to fraction form
    12,461,965.40/18,692,948.10 = 5,743,501.40/x
  3. Step 3: Cross multiply
    12,461,965.40x = 18,692,948.10 × 5,743,501.40
  4. Step 4: Simplify right side
    12,461,965.40x = 107,362,973,582,477.36
  5. Step 5: Solve for x
    x = 107,362,973,582,477.36/12,461,965.40
  6. Step 6: Final answer
    x = 8,615,252.10

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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.