Home / 42,807,239.64-64,210,681.46-15,507,140.38

Finding the Fourth Proportional to 42,807,239.64, 64,210,681.46 and 15,507,140.38

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Solution

The fourth proportional to 42,807,239.64, 64,210,681.46 and 15,507,140.38 is: 23,260,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807,239.64 : 64,210,681.46 = 15,507,140.38 : x
  2. Step 2: Convert to fraction form
    42,807,239.64/64,210,681.46 = 15,507,140.38/x
  3. Step 3: Cross multiply
    42,807,239.64x = 64,210,681.46 × 15,507,140.38
  4. Step 4: Simplify right side
    42,807,239.64x = 995,724,051,173,924.50
  5. Step 5: Solve for x
    x = 995,724,051,173,924.50/42,807,239.64
  6. Step 6: Final answer
    x = 23,260,646.09

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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.