Home / 18,705,482.28-28,059,312.06-5,243,360.04

Finding the Fourth Proportional to 18,705,482.28, 28,059,312.06 and 5,243,360.04

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Solution

The fourth proportional to 18,705,482.28, 28,059,312.06 and 5,243,360.04 is: 7,865,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,482.28 : 28,059,312.06 = 5,243,360.04 : x
  2. Step 2: Convert to fraction form
    18,705,482.28/28,059,312.06 = 5,243,360.04/x
  3. Step 3: Cross multiply
    18,705,482.28x = 28,059,312.06 × 5,243,360.04
  4. Step 4: Simplify right side
    18,705,482.28x = 147,125,075,605,294.06
  5. Step 5: Solve for x
    x = 147,125,075,605,294.06/18,705,482.28
  6. Step 6: Final answer
    x = 7,865,345.22

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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.