Finding the Fourth Proportional to 26,950,276.70, 40,425,415.05 and 7,781,659.10
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Solution
The fourth proportional to 26,950,276.70, 40,425,415.05 and 7,781,659.10 is: 11,672,488.65
Step by Step Solution
- Step 1: Write the proportion equation
26,950,276.70 : 40,425,415.05 = 7,781,659.10 : x - Step 2: Convert to fraction form
26,950,276.70/40,425,415.05 = 7,781,659.10/x - Step 3: Cross multiply
26,950,276.70x = 40,425,415.05 × 7,781,659.10 - Step 4: Simplify right side
26,950,276.70x = 314,576,798,895,109.44 - Step 5: Solve for x
x = 314,576,798,895,109.44/26,950,276.70 - Step 6: Final answer
x = 11,672,488.65
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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.