Home / 30,866,836.12-42,596,819.58-16,927,308.18

Finding the Fourth Proportional to 30,866,836.12, 42,596,819.58 and 16,927,308.18

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Solution

The fourth proportional to 30,866,836.12, 42,596,819.58 and 16,927,308.18 is: 23,360,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,836.12 : 42,596,819.58 = 16,927,308.18 : x
  2. Step 2: Convert to fraction form
    30,866,836.12/42,596,819.58 = 16,927,308.18/x
  3. Step 3: Cross multiply
    30,866,836.12x = 42,596,819.58 × 16,927,308.18
  4. Step 4: Simplify right side
    30,866,836.12x = 721,049,492,518,518.12
  5. Step 5: Solve for x
    x = 721,049,492,518,518.12/30,866,836.12
  6. Step 6: Final answer
    x = 23,360,006.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.