Home / 8,319,068.40-11,671,890-8,319,068.40

Finding the Fourth Proportional to 8,319,068.40, 11,671,890 and 8,319,068.40

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Solution

The fourth proportional to 8,319,068.40, 11,671,890 and 8,319,068.40 is: 11,671,890

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,068.40 : 11,671,890 = 8,319,068.40 : x
  2. Step 2: Convert to fraction form
    8,319,068.40/11,671,890 = 8,319,068.40/x
  3. Step 3: Cross multiply
    8,319,068.40x = 11,671,890 × 8,319,068.40
  4. Step 4: Simplify right side
    8,319,068.40x = 97,099,251,267,276
  5. Step 5: Solve for x
    x = 97,099,251,267,276/8,319,068.40
  6. Step 6: Final answer
    x = 11,671,890

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.