Home / 13,287,565.40-19,931,348.10-3,190,186.40

Finding the Fourth Proportional to 13,287,565.40, 19,931,348.10 and 3,190,186.40

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Solution

The fourth proportional to 13,287,565.40, 19,931,348.10 and 3,190,186.40 is: 4,785,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,565.40 : 19,931,348.10 = 3,190,186.40 : x
  2. Step 2: Convert to fraction form
    13,287,565.40/19,931,348.10 = 3,190,186.40/x
  3. Step 3: Cross multiply
    13,287,565.40x = 19,931,348.10 × 3,190,186.40
  4. Step 4: Simplify right side
    13,287,565.40x = 63,584,715,642,285.84
  5. Step 5: Solve for x
    x = 63,584,715,642,285.84/13,287,565.40
  6. Step 6: Final answer
    x = 4,785,279.60

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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.