Home / 42,590,886.40-63,886,329.60-11,885,406.40

Finding the Fourth Proportional to 42,590,886.40, 63,886,329.60 and 11,885,406.40

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Solution

The fourth proportional to 42,590,886.40, 63,886,329.60 and 11,885,406.40 is: 17,828,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,886.40 : 63,886,329.60 = 11,885,406.40 : x
  2. Step 2: Convert to fraction form
    42,590,886.40/63,886,329.60 = 11,885,406.40/x
  3. Step 3: Cross multiply
    42,590,886.40x = 63,886,329.60 × 11,885,406.40
  4. Step 4: Simplify right side
    42,590,886.40x = 759,314,990,700,349.50
  5. Step 5: Solve for x
    x = 759,314,990,700,349.50/42,590,886.40
  6. Step 6: Final answer
    x = 17,828,109.60

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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.