Home / 13,457,323.05-18,570,868.85-7,655,981.14

Finding the Fourth Proportional to 13,457,323.05, 18,570,868.85 and 7,655,981.14

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Solution

The fourth proportional to 13,457,323.05, 18,570,868.85 and 7,655,981.14 is: 10,565,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,323.05 : 18,570,868.85 = 7,655,981.14 : x
  2. Step 2: Convert to fraction form
    13,457,323.05/18,570,868.85 = 7,655,981.14/x
  3. Step 3: Cross multiply
    13,457,323.05x = 18,570,868.85 × 7,655,981.14
  4. Step 4: Simplify right side
    13,457,323.05x = 142,178,221,669,013.50
  5. Step 5: Solve for x
    x = 142,178,221,669,013.50/13,457,323.05
  6. Step 6: Final answer
    x = 10,565,119.17

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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.