Home / 12,012,807.18-16,579,130.59-6,786,035.74

Finding the Fourth Proportional to 12,012,807.18, 16,579,130.59 and 6,786,035.74

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Solution

The fourth proportional to 12,012,807.18, 16,579,130.59 and 6,786,035.74 is: 9,365,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,807.18 : 16,579,130.59 = 6,786,035.74 : x
  2. Step 2: Convert to fraction form
    12,012,807.18/16,579,130.59 = 6,786,035.74/x
  3. Step 3: Cross multiply
    12,012,807.18x = 16,579,130.59 × 6,786,035.74
  4. Step 4: Simplify right side
    12,012,807.18x = 112,506,572,721,867.30
  5. Step 5: Solve for x
    x = 112,506,572,721,867.30/12,012,807.18
  6. Step 6: Final answer
    x = 9,365,552.20

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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.