Home / 13,808,951.81-19,064,518.16-12,276,818.88

Finding the Fourth Proportional to 13,808,951.81, 19,064,518.16 and 12,276,818.88

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Solution

The fourth proportional to 13,808,951.81, 19,064,518.16 and 12,276,818.88 is: 16,949,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,951.81 : 19,064,518.16 = 12,276,818.88 : x
  2. Step 2: Convert to fraction form
    13,808,951.81/19,064,518.16 = 12,276,818.88/x
  3. Step 3: Cross multiply
    13,808,951.81x = 19,064,518.16 × 12,276,818.88
  4. Step 4: Simplify right side
    13,808,951.81x = 234,051,636,484,790.88
  5. Step 5: Solve for x
    x = 234,051,636,484,790.88/13,808,951.81
  6. Step 6: Final answer
    x = 16,949,268.83

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1.5x scale

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.