Home / 12,688,002.52-17,509,461.02-6,886,785.40

Finding the Fourth Proportional to 12,688,002.52, 17,509,461.02 and 6,886,785.40

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Solution

The fourth proportional to 12,688,002.52, 17,509,461.02 and 6,886,785.40 is: 9,503,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,002.52 : 17,509,461.02 = 6,886,785.40 : x
  2. Step 2: Convert to fraction form
    12,688,002.52/17,509,461.02 = 6,886,785.40/x
  3. Step 3: Cross multiply
    12,688,002.52x = 17,509,461.02 × 6,886,785.40
  4. Step 4: Simplify right side
    12,688,002.52x = 120,583,900,514,405.11
  5. Step 5: Solve for x
    x = 120,583,900,514,405.11/12,688,002.52
  6. Step 6: Final answer
    x = 9,503,773.37

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1.5x scale

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.