Home / 12,586,267.84-18,870,653.76-6,426,276.16

Finding the Fourth Proportional to 12,586,267.84, 18,870,653.76 and 6,426,276.16

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Solution

The fourth proportional to 12,586,267.84, 18,870,653.76 and 6,426,276.16 is: 9,634,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,267.84 : 18,870,653.76 = 6,426,276.16 : x
  2. Step 2: Convert to fraction form
    12,586,267.84/18,870,653.76 = 6,426,276.16/x
  3. Step 3: Cross multiply
    12,586,267.84x = 18,870,653.76 × 6,426,276.16
  4. Step 4: Simplify right side
    12,586,267.84x = 121,268,032,381,502.38
  5. Step 5: Solve for x
    x = 121,268,032,381,502.38/12,586,267.84
  6. Step 6: Final answer
    x = 9,634,947.70

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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.