Home / 12,852,644.40-19,310,459.40-9,663,998.40

Finding the Fourth Proportional to 12,852,644.40, 19,310,459.40 and 9,663,998.40

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Solution

The fourth proportional to 12,852,644.40, 19,310,459.40 and 9,663,998.40 is: 14,519,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,644.40 : 19,310,459.40 = 9,663,998.40 : x
  2. Step 2: Convert to fraction form
    12,852,644.40/19,310,459.40 = 9,663,998.40/x
  3. Step 3: Cross multiply
    12,852,644.40x = 19,310,459.40 × 9,663,998.40
  4. Step 4: Simplify right side
    12,852,644.40x = 186,616,248,744,864.94
  5. Step 5: Solve for x
    x = 186,616,248,744,864.94/12,852,644.40
  6. Step 6: Final answer
    x = 14,519,677.27

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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.