Finding the Fourth Proportional to 10,828,862.40, 16,238,044.80 and 6,031,459.20
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Solution
The fourth proportional to 10,828,862.40, 16,238,044.80 and 6,031,459.20 is: 9,044,265.32
Step by Step Solution
- Step 1: Write the proportion equation
10,828,862.40 : 16,238,044.80 = 6,031,459.20 : x - Step 2: Convert to fraction form
10,828,862.40/16,238,044.80 = 6,031,459.20/x - Step 3: Cross multiply
10,828,862.40x = 16,238,044.80 × 6,031,459.20 - Step 4: Simplify right side
10,828,862.40x = 97,939,104,698,972.17 - Step 5: Solve for x
x = 97,939,104,698,972.17/10,828,862.40 - Step 6: Final answer
x = 9,044,265.32
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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.