Home / 19,175,068.80-28,762,603.20-6,395,990.40

Finding the Fourth Proportional to 19,175,068.80, 28,762,603.20 and 6,395,990.40

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Solution

The fourth proportional to 19,175,068.80, 28,762,603.20 and 6,395,990.40 is: 9,593,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175,068.80 : 28,762,603.20 = 6,395,990.40 : x
  2. Step 2: Convert to fraction form
    19,175,068.80/28,762,603.20 = 6,395,990.40/x
  3. Step 3: Cross multiply
    19,175,068.80x = 28,762,603.20 × 6,395,990.40
  4. Step 4: Simplify right side
    19,175,068.80x = 183,965,333,946,209.28
  5. Step 5: Solve for x
    x = 183,965,333,946,209.28/19,175,068.80
  6. Step 6: Final answer
    x = 9,593,985.60

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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.