Finding the Fourth Proportional to 47,408,956.40, 71,113,462.08 and 13,330,302.28
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Solution
The fourth proportional to 47,408,956.40, 71,113,462.08 and 13,330,302.28 is: 19,995,461.14
Step by Step Solution
- Step 1: Write the proportion equation
47,408,956.40 : 71,113,462.08 = 13,330,302.28 : x - Step 2: Convert to fraction form
47,408,956.40/71,113,462.08 = 13,330,302.28/x - Step 3: Cross multiply
47,408,956.40x = 71,113,462.08 × 13,330,302.28 - Step 4: Simplify right side
47,408,956.40x = 947,963,945,475,945.25 - Step 5: Solve for x
x = 947,963,945,475,945.25/47,408,956.40 - Step 6: Final answer
x = 19,995,461.14
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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.