Home / 13,287,566.40-19,931,349.60-3,190,187.40

Finding the Fourth Proportional to 13,287,566.40, 19,931,349.60 and 3,190,187.40

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Solution

The fourth proportional to 13,287,566.40, 19,931,349.60 and 3,190,187.40 is: 4,785,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,566.40 : 19,931,349.60 = 3,190,187.40 : x
  2. Step 2: Convert to fraction form
    13,287,566.40/19,931,349.60 = 3,190,187.40/x
  3. Step 3: Cross multiply
    13,287,566.40x = 19,931,349.60 × 3,190,187.40
  4. Step 4: Simplify right side
    13,287,566.40x = 63,584,740,358,915.04
  5. Step 5: Solve for x
    x = 63,584,740,358,915.04/13,287,566.40
  6. Step 6: Final answer
    x = 4,785,281.10

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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.