Finding the Fourth Proportional to 13,248,798.20, 19,873,853.40 and 6,871,506.20
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Solution
The fourth proportional to 13,248,798.20, 19,873,853.40 and 6,871,506.20 is: 10,307,599.59
Step by Step Solution
- Step 1: Write the proportion equation
13,248,798.20 : 19,873,853.40 = 6,871,506.20 : x - Step 2: Convert to fraction form
13,248,798.20/19,873,853.40 = 6,871,506.20/x - Step 3: Cross multiply
13,248,798.20x = 19,873,853.40 × 6,871,506.20 - Step 4: Simplify right side
13,248,798.20x = 136,563,306,855,991.08 - Step 5: Solve for x
x = 136,563,306,855,991.08/13,248,798.20 - Step 6: Final answer
x = 10,307,599.59
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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.