Home / 38,018,502.40-57,013,756.80-12,460,345.60

Finding the Fourth Proportional to 38,018,502.40, 57,013,756.80 and 12,460,345.60

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Solution

The fourth proportional to 38,018,502.40, 57,013,756.80 and 12,460,345.60 is: 18,685,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018,502.40 : 57,013,756.80 = 12,460,345.60 : x
  2. Step 2: Convert to fraction form
    38,018,502.40/57,013,756.80 = 12,460,345.60/x
  3. Step 3: Cross multiply
    38,018,502.40x = 57,013,756.80 × 12,460,345.60
  4. Step 4: Simplify right side
    38,018,502.40x = 710,411,113,682,350
  5. Step 5: Solve for x
    x = 710,411,113,682,350/38,018,502.40
  6. Step 6: Final answer
    x = 18,685,931.03

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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.