Home / 12,209,518.58-18,316,869.90-4,636,316.66

Finding the Fourth Proportional to 12,209,518.58, 18,316,869.90 and 4,636,316.66

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Solution

The fourth proportional to 12,209,518.58, 18,316,869.90 and 4,636,316.66 is: 6,955,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,518.58 : 18,316,869.90 = 4,636,316.66 : x
  2. Step 2: Convert to fraction form
    12,209,518.58/18,316,869.90 = 4,636,316.66/x
  3. Step 3: Cross multiply
    12,209,518.58x = 18,316,869.90 × 4,636,316.66
  4. Step 4: Simplify right side
    12,209,518.58x = 84,922,809,076,422.53
  5. Step 5: Solve for x
    x = 84,922,809,076,422.53/12,209,518.58
  6. Step 6: Final answer
    x = 6,955,459.26

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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.