Home / 30,677,194.59-42,349,869.68-19,078,495.17

Finding the Fourth Proportional to 30,677,194.59, 42,349,869.68 and 19,078,495.17

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Solution

The fourth proportional to 30,677,194.59, 42,349,869.68 and 19,078,495.17 is: 26,337,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,194.59 : 42,349,869.68 = 19,078,495.17 : x
  2. Step 2: Convert to fraction form
    30,677,194.59/42,349,869.68 = 19,078,495.17/x
  3. Step 3: Cross multiply
    30,677,194.59x = 42,349,869.68 × 19,078,495.17
  4. Step 4: Simplify right side
    30,677,194.59x = 807,971,784,044,617
  5. Step 5: Solve for x
    x = 807,971,784,044,617/30,677,194.59
  6. Step 6: Final answer
    x = 26,337,864.16

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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.