Home / 7,919,897.57-10,929,458.64-4,298,225.57

Finding the Fourth Proportional to 7,919,897.57, 10,929,458.64 and 4,298,225.57

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Solution

The fourth proportional to 7,919,897.57, 10,929,458.64 and 4,298,225.57 is: 5,931,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,897.57 : 10,929,458.64 = 4,298,225.57 : x
  2. Step 2: Convert to fraction form
    7,919,897.57/10,929,458.64 = 4,298,225.57/x
  3. Step 3: Cross multiply
    7,919,897.57x = 10,929,458.64 × 4,298,225.57
  4. Step 4: Simplify right side
    7,919,897.57x = 46,977,278,516,567.01
  5. Step 5: Solve for x
    x = 46,977,278,516,567.01/7,919,897.57
  6. Step 6: Final answer
    x = 5,931,551.28

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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.