Home / 12,352,619.60-18,528,929.40-9,163,973.60

Finding the Fourth Proportional to 12,352,619.60, 18,528,929.40 and 9,163,973.60

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Solution

The fourth proportional to 12,352,619.60, 18,528,929.40 and 9,163,973.60 is: 13,745,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,619.60 : 18,528,929.40 = 9,163,973.60 : x
  2. Step 2: Convert to fraction form
    12,352,619.60/18,528,929.40 = 9,163,973.60/x
  3. Step 3: Cross multiply
    12,352,619.60x = 18,528,929.40 × 9,163,973.60
  4. Step 4: Simplify right side
    12,352,619.60x = 169,798,619,857,863.81
  5. Step 5: Solve for x
    x = 169,798,619,857,863.81/12,352,619.60
  6. Step 6: Final answer
    x = 13,745,960.40

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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.