Home / 19,469,038.23-26,870,867.10-12,508,417.17

Finding the Fourth Proportional to 19,469,038.23, 26,870,867.10 and 12,508,417.17

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Solution

The fourth proportional to 19,469,038.23, 26,870,867.10 and 12,508,417.17 is: 17,263,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469,038.23 : 26,870,867.10 = 12,508,417.17 : x
  2. Step 2: Convert to fraction form
    19,469,038.23/26,870,867.10 = 12,508,417.17/x
  3. Step 3: Cross multiply
    19,469,038.23x = 26,870,867.10 × 12,508,417.17
  4. Step 4: Simplify right side
    19,469,038.23x = 336,112,015,406,428.12
  5. Step 5: Solve for x
    x = 336,112,015,406,428.12/19,469,038.23
  6. Step 6: Final answer
    x = 17,263,924.98

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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.