Home / 12,959,875.60-19,439,813.40-12,462,211.60

Finding the Fourth Proportional to 12,959,875.60, 19,439,813.40 and 12,462,211.60

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Solution

The fourth proportional to 12,959,875.60, 19,439,813.40 and 12,462,211.60 is: 18,693,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,875.60 : 19,439,813.40 = 12,462,211.60 : x
  2. Step 2: Convert to fraction form
    12,959,875.60/19,439,813.40 = 12,462,211.60/x
  3. Step 3: Cross multiply
    12,959,875.60x = 19,439,813.40 × 12,462,211.60
  4. Step 4: Simplify right side
    12,959,875.60x = 242,263,068,055,315.41
  5. Step 5: Solve for x
    x = 242,263,068,055,315.41/12,959,875.60
  6. Step 6: Final answer
    x = 18,693,317.40

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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.