Home / 10,339,991.60-15,516,985.80-4,657,290.80

Finding the Fourth Proportional to 10,339,991.60, 15,516,985.80 and 4,657,290.80

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Solution

The fourth proportional to 10,339,991.60, 15,516,985.80 and 4,657,290.80 is: 6,989,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339,991.60 : 15,516,985.80 = 4,657,290.80 : x
  2. Step 2: Convert to fraction form
    10,339,991.60/15,516,985.80 = 4,657,290.80/x
  3. Step 3: Cross multiply
    10,339,991.60x = 15,516,985.80 × 4,657,290.80
  4. Step 4: Simplify right side
    10,339,991.60x = 72,267,115,210,070.64
  5. Step 5: Solve for x
    x = 72,267,115,210,070.64/10,339,991.60
  6. Step 6: Final answer
    x = 6,989,088.39

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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.