Home / 6,980,302.80-10,478,327.40-5,389,916.40

Finding the Fourth Proportional to 6,980,302.80, 10,478,327.40 and 5,389,916.40

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Solution

The fourth proportional to 6,980,302.80, 10,478,327.40 and 5,389,916.40 is: 8,090,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,302.80 : 10,478,327.40 = 5,389,916.40 : x
  2. Step 2: Convert to fraction form
    6,980,302.80/10,478,327.40 = 5,389,916.40/x
  3. Step 3: Cross multiply
    6,980,302.80x = 10,478,327.40 × 5,389,916.40
  4. Step 4: Simplify right side
    6,980,302.80x = 56,477,308,697,829.37
  5. Step 5: Solve for x
    x = 56,477,308,697,829.37/6,980,302.80
  6. Step 6: Final answer
    x = 8,090,953.98

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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.