Finding the Fourth Proportional to 29,249,623.84, 40,363,985.04 and 16,196,603.68
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Solution
The fourth proportional to 29,249,623.84, 40,363,985.04 and 16,196,603.68 is: 22,351,038.50
Step by Step Solution
- Step 1: Write the proportion equation
29,249,623.84 : 40,363,985.04 = 16,196,603.68 : x - Step 2: Convert to fraction form
29,249,623.84/40,363,985.04 = 16,196,603.68/x - Step 3: Cross multiply
29,249,623.84x = 40,363,985.04 × 16,196,603.68 - Step 4: Simplify right side
29,249,623.84x = 653,759,468,638,328.88 - Step 5: Solve for x
x = 653,759,468,638,328.88/29,249,623.84 - Step 6: Final answer
x = 22,351,038.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.