Home / 53,164,379.40-79,746,569.16-12,774,863.40

Finding the Fourth Proportional to 53,164,379.40, 79,746,569.16 and 12,774,863.40

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Solution

The fourth proportional to 53,164,379.40, 79,746,569.16 and 12,774,863.40 is: 19,162,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164,379.40 : 79,746,569.16 = 12,774,863.40 : x
  2. Step 2: Convert to fraction form
    53,164,379.40/79,746,569.16 = 12,774,863.40/x
  3. Step 3: Cross multiply
    53,164,379.40x = 79,746,569.16 × 12,774,863.40
  4. Step 4: Simplify right side
    53,164,379.40x = 1,018,751,527,637,652.75
  5. Step 5: Solve for x
    x = 1,018,751,527,637,652.75/53,164,379.40
  6. Step 6: Final answer
    x = 19,162,295.11

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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.