Finding the Fourth Proportional to 26,205,005.20, 39,307,507.80 and 9,163,901.20
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Solution
The fourth proportional to 26,205,005.20, 39,307,507.80 and 9,163,901.20 is: 13,745,851.80
Step by Step Solution
- Step 1: Write the proportion equation
26,205,005.20 : 39,307,507.80 = 9,163,901.20 : x - Step 2: Convert to fraction form
26,205,005.20/39,307,507.80 = 9,163,901.20/x - Step 3: Cross multiply
26,205,005.20x = 39,307,507.80 × 9,163,901.20 - Step 4: Simplify right side
26,205,005.20x = 360,210,117,897,429.31 - Step 5: Solve for x
x = 360,210,117,897,429.31/26,205,005.20 - Step 6: Final answer
x = 13,745,851.80
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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.