Home / 12,771,842.40-19,163,012.40-4,688,690.40

Finding the Fourth Proportional to 12,771,842.40, 19,163,012.40 and 4,688,690.40

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Solution

The fourth proportional to 12,771,842.40, 19,163,012.40 and 4,688,690.40 is: 7,034,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,842.40 : 19,163,012.40 = 4,688,690.40 : x
  2. Step 2: Convert to fraction form
    12,771,842.40/19,163,012.40 = 4,688,690.40/x
  3. Step 3: Cross multiply
    12,771,842.40x = 19,163,012.40 × 4,688,690.40
  4. Step 4: Simplify right side
    12,771,842.40x = 89,849,432,274,960.95
  5. Step 5: Solve for x
    x = 89,849,432,274,960.95/12,771,842.40
  6. Step 6: Final answer
    x = 7,034,962.49

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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.