Home / 8,696,298.40-12,985,888.64-7,102,026.40

Finding the Fourth Proportional to 8,696,298.40, 12,985,888.64 and 7,102,026.40

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Solution

The fourth proportional to 8,696,298.40, 12,985,888.64 and 7,102,026.40 is: 10,605,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,298.40 : 12,985,888.64 = 7,102,026.40 : x
  2. Step 2: Convert to fraction form
    8,696,298.40/12,985,888.64 = 7,102,026.40/x
  3. Step 3: Cross multiply
    8,696,298.40x = 12,985,888.64 × 7,102,026.40
  4. Step 4: Simplify right side
    8,696,298.40x = 92,226,123,948,740.11
  5. Step 5: Solve for x
    x = 92,226,123,948,740.11/8,696,298.40
  6. Step 6: Final answer
    x = 10,605,216.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.