Home / 30,346,543.80-45,519,815.70-9,878,192.10

Finding the Fourth Proportional to 30,346,543.80, 45,519,815.70 and 9,878,192.10

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Solution

The fourth proportional to 30,346,543.80, 45,519,815.70 and 9,878,192.10 is: 14,817,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346,543.80 : 45,519,815.70 = 9,878,192.10 : x
  2. Step 2: Convert to fraction form
    30,346,543.80/45,519,815.70 = 9,878,192.10/x
  3. Step 3: Cross multiply
    30,346,543.80x = 45,519,815.70 × 9,878,192.10
  4. Step 4: Simplify right side
    30,346,543.80x = 449,653,483,841,196
  5. Step 5: Solve for x
    x = 449,653,483,841,196/30,346,543.80
  6. Step 6: Final answer
    x = 14,817,288.15

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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.