Home / 7,631,402.40-10,529,038.80-4,574,501.28

Finding the Fourth Proportional to 7,631,402.40, 10,529,038.80 and 4,574,501.28

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Solution

The fourth proportional to 7,631,402.40, 10,529,038.80 and 4,574,501.28 is: 6,311,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631,402.40 : 10,529,038.80 = 4,574,501.28 : x
  2. Step 2: Convert to fraction form
    7,631,402.40/10,529,038.80 = 4,574,501.28/x
  3. Step 3: Cross multiply
    7,631,402.40x = 10,529,038.80 × 4,574,501.28
  4. Step 4: Simplify right side
    7,631,402.40x = 48,165,101,467,769.67
  5. Step 5: Solve for x
    x = 48,165,101,467,769.67/7,631,402.40
  6. Step 6: Final answer
    x = 6,311,435.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.