Home / 12,705,506.64-19,056,684.11-7,521,201

Finding the Fourth Proportional to 12,705,506.64, 19,056,684.11 and 7,521,201

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Solution

The fourth proportional to 12,705,506.64, 19,056,684.11 and 7,521,201 is: 11,280,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,506.64 : 19,056,684.11 = 7,521,201 : x
  2. Step 2: Convert to fraction form
    12,705,506.64/19,056,684.11 = 7,521,201/x
  3. Step 3: Cross multiply
    12,705,506.64x = 19,056,684.11 × 7,521,201
  4. Step 4: Simplify right side
    12,705,506.64x = 143,329,151,547,210.09
  5. Step 5: Solve for x
    x = 143,329,151,547,210.09/12,705,506.64
  6. Step 6: Final answer
    x = 11,280,868.65

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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.