Home / 12,713,248.32-19,070,460-4,194,329.28

Finding the Fourth Proportional to 12,713,248.32, 19,070,460 and 4,194,329.28

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Solution

The fourth proportional to 12,713,248.32, 19,070,460 and 4,194,329.28 is: 6,291,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,248.32 : 19,070,460 = 4,194,329.28 : x
  2. Step 2: Convert to fraction form
    12,713,248.32/19,070,460 = 4,194,329.28/x
  3. Step 3: Cross multiply
    12,713,248.32x = 19,070,460 × 4,194,329.28
  4. Step 4: Simplify right side
    12,713,248.32x = 79,987,788,761,068.81
  5. Step 5: Solve for x
    x = 79,987,788,761,068.81/12,713,248.32
  6. Step 6: Final answer
    x = 6,291,687.75

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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.