Home / 13,490,677.91-18,616,903.01-7,610,324.81

Finding the Fourth Proportional to 13,490,677.91, 18,616,903.01 and 7,610,324.81

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Solution

The fourth proportional to 13,490,677.91, 18,616,903.01 and 7,610,324.81 is: 10,502,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,677.91 : 18,616,903.01 = 7,610,324.81 : x
  2. Step 2: Convert to fraction form
    13,490,677.91/18,616,903.01 = 7,610,324.81/x
  3. Step 3: Cross multiply
    13,490,677.91x = 18,616,903.01 × 7,610,324.81
  4. Step 4: Simplify right side
    13,490,677.91x = 141,680,678,788,307.97
  5. Step 5: Solve for x
    x = 141,680,678,788,307.97/13,490,677.91
  6. Step 6: Final answer
    x = 10,502,117.08

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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.