Home / 7,018,501.20-10,527,751.80-4,290,437.40

Finding the Fourth Proportional to 7,018,501.20, 10,527,751.80 and 4,290,437.40

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Solution

The fourth proportional to 7,018,501.20, 10,527,751.80 and 4,290,437.40 is: 6,435,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,501.20 : 10,527,751.80 = 4,290,437.40 : x
  2. Step 2: Convert to fraction form
    7,018,501.20/10,527,751.80 = 4,290,437.40/x
  3. Step 3: Cross multiply
    7,018,501.20x = 10,527,751.80 × 4,290,437.40
  4. Step 4: Simplify right side
    7,018,501.20x = 45,168,660,060,637.33
  5. Step 5: Solve for x
    x = 45,168,660,060,637.33/7,018,501.20
  6. Step 6: Final answer
    x = 6,435,656.10

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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.