Home / 12,886,416-19,287,564.48-9,473,798.40

Finding the Fourth Proportional to 12,886,416, 19,287,564.48 and 9,473,798.40

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Solution

The fourth proportional to 12,886,416, 19,287,564.48 and 9,473,798.40 is: 14,179,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,416 : 19,287,564.48 = 9,473,798.40 : x
  2. Step 2: Convert to fraction form
    12,886,416/19,287,564.48 = 9,473,798.40/x
  3. Step 3: Cross multiply
    12,886,416x = 19,287,564.48 × 9,473,798.40
  4. Step 4: Simplify right side
    12,886,416x = 182,726,497,510,520.84
  5. Step 5: Solve for x
    x = 182,726,497,510,520.84/12,886,416
  6. Step 6: Final answer
    x = 14,179,776.40

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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.