Home / 17,856,005.40-26,784,008.10-10,689,643.80

Finding the Fourth Proportional to 17,856,005.40, 26,784,008.10 and 10,689,643.80

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Solution

The fourth proportional to 17,856,005.40, 26,784,008.10 and 10,689,643.80 is: 16,034,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856,005.40 : 26,784,008.10 = 10,689,643.80 : x
  2. Step 2: Convert to fraction form
    17,856,005.40/26,784,008.10 = 10,689,643.80/x
  3. Step 3: Cross multiply
    17,856,005.40x = 26,784,008.10 × 10,689,643.80
  4. Step 4: Simplify right side
    17,856,005.40x = 286,311,506,125,314.81
  5. Step 5: Solve for x
    x = 286,311,506,125,314.81/17,856,005.40
  6. Step 6: Final answer
    x = 16,034,465.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.