Home / 12,772,999.60-19,159,499.40-8,238,036.40

Finding the Fourth Proportional to 12,772,999.60, 19,159,499.40 and 8,238,036.40

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Solution

The fourth proportional to 12,772,999.60, 19,159,499.40 and 8,238,036.40 is: 12,357,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,999.60 : 19,159,499.40 = 8,238,036.40 : x
  2. Step 2: Convert to fraction form
    12,772,999.60/19,159,499.40 = 8,238,036.40/x
  3. Step 3: Cross multiply
    12,772,999.60x = 19,159,499.40 × 8,238,036.40
  4. Step 4: Simplify right side
    12,772,999.60x = 157,836,653,462,978.16
  5. Step 5: Solve for x
    x = 157,836,653,462,978.16/12,772,999.60
  6. Step 6: Final answer
    x = 12,357,054.60

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1.5x scale

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.