Home / 42,820,173.10-64,230,259.65-12,528,036.10

Finding the Fourth Proportional to 42,820,173.10, 64,230,259.65 and 12,528,036.10

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Solution

The fourth proportional to 42,820,173.10, 64,230,259.65 and 12,528,036.10 is: 18,792,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,820,173.10 : 64,230,259.65 = 12,528,036.10 : x
  2. Step 2: Convert to fraction form
    42,820,173.10/64,230,259.65 = 12,528,036.10/x
  3. Step 3: Cross multiply
    42,820,173.10x = 64,230,259.65 × 12,528,036.10
  4. Step 4: Simplify right side
    42,820,173.10x = 804,679,011,607,573.38
  5. Step 5: Solve for x
    x = 804,679,011,607,573.38/42,820,173.10
  6. Step 6: Final answer
    x = 18,792,054.15

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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.