Home / 13,307,816.42-19,970,641.29-4,671,942.51

Finding the Fourth Proportional to 13,307,816.42, 19,970,641.29 and 4,671,942.51

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Solution

The fourth proportional to 13,307,816.42, 19,970,641.29 and 4,671,942.51 is: 7,011,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,816.42 : 19,970,641.29 = 4,671,942.51 : x
  2. Step 2: Convert to fraction form
    13,307,816.42/19,970,641.29 = 4,671,942.51/x
  3. Step 3: Cross multiply
    13,307,816.42x = 19,970,641.29 × 4,671,942.51
  4. Step 4: Simplify right side
    13,307,816.42x = 93,301,688,087,121.92
  5. Step 5: Solve for x
    x = 93,301,688,087,121.92/13,307,816.42
  6. Step 6: Final answer
    x = 7,011,044.12

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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.