Home / 8,402,567.40-12,574,820.70-5,039,188.20

Finding the Fourth Proportional to 8,402,567.40, 12,574,820.70 and 5,039,188.20

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Solution

The fourth proportional to 8,402,567.40, 12,574,820.70 and 5,039,188.20 is: 7,541,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,567.40 : 12,574,820.70 = 5,039,188.20 : x
  2. Step 2: Convert to fraction form
    8,402,567.40/12,574,820.70 = 5,039,188.20/x
  3. Step 3: Cross multiply
    8,402,567.40x = 12,574,820.70 × 5,039,188.20
  4. Step 4: Simplify right side
    8,402,567.40x = 63,366,888,088,555.74
  5. Step 5: Solve for x
    x = 63,366,888,088,555.74/8,402,567.40
  6. Step 6: Final answer
    x = 7,541,372.19

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1.5x scale

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.