Home / 14,287,258.85-19,716,564.17-7,761,017.57

Finding the Fourth Proportional to 14,287,258.85, 19,716,564.17 and 7,761,017.57

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Solution

The fourth proportional to 14,287,258.85, 19,716,564.17 and 7,761,017.57 is: 10,710,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,258.85 : 19,716,564.17 = 7,761,017.57 : x
  2. Step 2: Convert to fraction form
    14,287,258.85/19,716,564.17 = 7,761,017.57/x
  3. Step 3: Cross multiply
    14,287,258.85x = 19,716,564.17 × 7,761,017.57
  4. Step 4: Simplify right side
    14,287,258.85x = 153,020,600,864,222.19
  5. Step 5: Solve for x
    x = 153,020,600,864,222.19/14,287,258.85
  6. Step 6: Final answer
    x = 10,710,284.07

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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.