Home / 19,415,547.60-29,120,988.60-8,054,811.60

Finding the Fourth Proportional to 19,415,547.60, 29,120,988.60 and 8,054,811.60

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Solution

The fourth proportional to 19,415,547.60, 29,120,988.60 and 8,054,811.60 is: 12,081,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,547.60 : 29,120,988.60 = 8,054,811.60 : x
  2. Step 2: Convert to fraction form
    19,415,547.60/29,120,988.60 = 8,054,811.60/x
  3. Step 3: Cross multiply
    19,415,547.60x = 29,120,988.60 × 8,054,811.60
  4. Step 4: Simplify right side
    19,415,547.60x = 234,564,076,778,747.75
  5. Step 5: Solve for x
    x = 234,564,076,778,747.75/19,415,547.60
  6. Step 6: Final answer
    x = 12,081,249.61

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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.