Home / 12,705,533.64-19,056,724.65-7,521,228

Finding the Fourth Proportional to 12,705,533.64, 19,056,724.65 and 7,521,228

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Solution

The fourth proportional to 12,705,533.64, 19,056,724.65 and 7,521,228 is: 11,280,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,533.64 : 19,056,724.65 = 7,521,228 : x
  2. Step 2: Convert to fraction form
    12,705,533.64/19,056,724.65 = 7,521,228/x
  3. Step 3: Cross multiply
    12,705,533.64x = 19,056,724.65 × 7,521,228
  4. Step 4: Simplify right side
    12,705,533.64x = 143,329,971,025,870.19
  5. Step 5: Solve for x
    x = 143,329,971,025,870.19/12,705,533.64
  6. Step 6: Final answer
    x = 11,280,909.18

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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.