Finding the Fourth Proportional to 26,865,130.78, 40,298,133.57 and 7,695,813.34
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Solution
The fourth proportional to 26,865,130.78, 40,298,133.57 and 7,695,813.34 is: 11,543,845.31
Step by Step Solution
- Step 1: Write the proportion equation
26,865,130.78 : 40,298,133.57 = 7,695,813.34 : x - Step 2: Convert to fraction form
26,865,130.78/40,298,133.57 = 7,695,813.34/x - Step 3: Cross multiply
26,865,130.78x = 40,298,133.57 × 7,695,813.34 - Step 4: Simplify right side
26,865,130.78x = 310,126,913,969,917.81 - Step 5: Solve for x
x = 310,126,913,969,917.81/26,865,130.78 - Step 6: Final answer
x = 11,543,845.31
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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.