Finding the Fourth Proportional to 26,266,905.80, 39,400,358.70 and 8,316,009.80
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Solution
The fourth proportional to 26,266,905.80, 39,400,358.70 and 8,316,009.80 is: 12,474,014.70
Step by Step Solution
- Step 1: Write the proportion equation
26,266,905.80 : 39,400,358.70 = 8,316,009.80 : x - Step 2: Convert to fraction form
26,266,905.80/39,400,358.70 = 8,316,009.80/x - Step 3: Cross multiply
26,266,905.80x = 39,400,358.70 × 8,316,009.80 - Step 4: Simplify right side
26,266,905.80x = 327,653,769,072,715.25 - Step 5: Solve for x
x = 327,653,769,072,715.25/26,266,905.80 - Step 6: Final answer
x = 12,474,014.70
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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.